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232 comments on DrumBeat: April 12, 2008
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232 comments on DrumBeat: April 12, 2008
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With some minor exceptions, the red lines are on operating rail lines .
There are enough abandoned rail lines for the rest. The San Diego-Phoenix section would be built largely on abandoned or unused ROW for example.
I can see the reuse of abandoned rail lines on a large scale as spur lines. OTOH, only a few new main lines are needed.
Ownership and operation of the rail lines is an open question. I would prefer the existing railroads to own these "red lines" but with public trackage rights (just as any licensed airline can operate out of any airport) with regulated fees paid to the owner.#
An underlying theme is to build not "just enough" rail capacity, with frequent bottlenecks, but to overwhelm the demand with capacity. This is, IMHO, needed to beat truck speeds and capacity.
Best Hopes for Speed an Reliability,
Alan
# This is the new model in the EU, and it seems to be working reasonably well. French TGV trains on German tracks, Swiss trains on Italian tracks, etc.
Just read where Norfolk is demanding the US pay for
infrastructure out building, improvements.
When the US does this, then either Big Rail is
cut up into regional or the whole thing is nationalized.
Either/or.
This is similar to my philosophy on mass transit. If the goal is taking vehicles off the road (and reducing car ownership), then having every bus/train full (in order to maximize fares etc) is a failure. In order to be as convenient as a car, you have to run the nearly-empty seats at 3AM. If this requires automation or grade separation or quadruple-tracking or multiple unit cars, so be it, but it has to be available in order to replace cars. And ideally, so long as it's using high-efficiency electric motors, it should ENCOURAGE ridership, by not giving regular riders a per-ride fare to pay. DC Metro does not have a monthly unlimited-ride pass, and that frustrates me.
More liberal countries have mass transit systems that we can only dream of, and sometimes even do it free - IMO profit has been a somewhat corrupting influence over here(as compared to the heavily subsidized airports and roads). If a subsidized mass transit system costs 1 billion a year to run, and gets back 200 million in fares from 10 million riders(w/ the balance in subsidies) - we really need to look at what would happen if we reduces fares to zero. If 30 million riders still cost the same 1 billion dollars (no fare-collection inefficiency, much fuller seats, and a few vehicles added to peak times)... Somebody has to ask themselves - is increasing the budget by 25% and reducing the number of cars on the road worthy of attempting that course?
Alan, do you know of any systems that fit this description?
Toll roads (ones which are actually required to pay for themselves) can be quite unpopular. Tokyo has a giant, spectacular bridge/tunnel into the bay that remains little-used all day because of the $30 toll(which was reduced from $50(where the bridge was completely empty) after firing the guy that coordinates income estimates with traffic flow estimates, who made a $12B mistake) - free roads have the opposite effect. I posit that this effect is seen in transit as well, and that maximizing profit is a distinctly different course than trying to reduce traffic & car ownership.
I agree with a lot of what you're saying here -- I can never understand why people in LA constantly complain about traffic while at the same time the MTA has to raise fares because it is so underfunded. Make transit FREE and it could have a lot more impact on traffic.
No. Make transit FREE and it will become so infested with vagrants and gangbangers that no regular citizen will dare to ride it except maybe at the height of the rush hour, and maybe not even then. The Staten Island Railway has had problems of this sort for years, ever since they stopped collecting fares except at the ferry (last, northernmost stop). IIRC we discussed this issue here a week or two ago, in connection with one of the European cities.
What about a system similar to aircraft now?
Economy (near free), and Business (the bulk of the train), so that commuters can buy their way away from most of the vagrants.
The new Dubai Metro will have three car trains.
One for women and children, one "VIP" with leather seats and one Economy car.
AFAIK, the only "class" system Urban Rail.
Alan
It still leaves the problem of intimidation and muggings at the stations. And subsidized buses and railcars are a hellishly expensive way to provide free heat and A/C for the vagrants and gangbangers.
And anyway, with the cost of energy going ever upward, it seems very, very foolish to subsidize energy-intensive services, especially when the subsidized purpose - riding around and around for no reason at all - is no purpose at all.
In Sweden, sometimes the social services pay the bus fare for homeless people so they can ride a bus all night during winter.
Hello PaulS,
We have free buses here in Chapel Hill, NC. It's a college town so if every college student drove it would overwhelm the road system. The bus is free. There are all kinds of people that use the buses: Students and UNC workers, families with children, some homeless, mexican workers...perhaps because this is a small town that it works. Even grade school students use it. There is also a carrier for bikes so you can use your bike and take it with you. We have a good bicycle pathway system which is improving year to year. It works for us.
"...perhaps because this is a small town that it works. Even grade school students use it." Yes indeed.
In bigger places, many parents will not allow their grade school kids to walk anywhere on their own, much less use a city bus on their own, even though IMO the objective risk in the cases I see is much less than it was where and when I grew up doing things like that. But times have changed - these days, putting the kids on a city bus might almost be counted as reckless endangerment. Even if it doesn't earn a hostile visit from Social Services, it will draw the opprobrium of aunts and uncles, of friends and neighbors. So the kids get chauffeured to and from school, or, failing that, a parent (usually the mother, it seems) waits with them every morning at the school bus stop, and waits again every afternoon until the school bus arrives.
This may be a symptom of a larger issue as Mike M downthread posits, but all the same, it is what parents do. And, after all, once in a blue moon something bad does indeed happen. When it does, it's hyped up in scary bright yellow lettering on freeway signs, and retold endlessly in breathless TV reports, all across the entire country. Under those circumstances, and after more than 40 years of the "consumer" movement browbeating people and scaring them out of their wits about even the most utterly insignificant risks, parents will not be handling the issue differently anytime soon.
I lived in Austin Texas when they did a 1 year no fare experiment. generally considered a failure. Homeless rode to get free a/c and heat and napped in the back. Gangs of kids rode just to do something and were rowdy. "Choice" riders (those that owned a car) dropped.
Miami's gadgetbahn, the MetroMover, went fare free a few years ago with minimal problems. Perhaps because it is an elevated system connecting downtown office buildings.
Portland has a "fareless square" that seems to work OK, (some conflict with rowdy kids etc. riding and some related crime).
DC Metro does not have an unlimited ride pass because it would encourage more ridership and they are capacity limited. They want to allocate that capacity to the highest use (off peak fares are cheap, peak expensive).
My priorities would be a well built, well maintained and clean system first, and subsidized fares second. Targeted DEEP discounts for handicapped, elderly (off hours at least), children, disabled, those on food stamps, etc. is a better approach IMHO than broad based cheap to everyone.
New Orleans has free rides to all handicapped residents and school children going to school, and 60% discounts for elderly for example.
Alan
Seniors ride the Seoul subway for free. They go to the ticket window for a free ticket and the start of each ride. Seems like a good idea - driving in Seoul can be tough at any age, and it helps give seniors a little more independence and one less financial worry. It would be good to see the AARP and their non-American equivalents push for this; maybe they already are.
Alan It would seem to me that the issue of "muggings" and "rowdies" is a symptom of a bigger issue than the transportation of a "displaced car using society". I do think that as we move forward we need to seriously re-think why we need to move around so much. The whole notion of "Time is Money" seems to be at the root of much of this issue. I do think that a return to a more intergrated and improved rail system for the transport of required goods and services is needed. When the "Disaster Capitalists" see a way to make more money than they are currently making in places like Iraq, New Orleans, Atlanta, Sri Lanka, etc then you will see a return of the rails courtesy of KBR, Halliburton, CH2M Hill, Lockheed Martin, et al and they will use the same taxpayers money that have been using all along.
Check out the book The shock Doctrine by "Naomi Klein" to get a more complete picture of the way I see it developing.
Vouchers could always be provided to those that are too poor to afford the transport fares that they legitimately need. We do the same thing now with food stamps and other things. The vouchers could be configured to enable people to get where they really need to go, while not being enough to just give people with anti-social behavior issues unlimited free rides.
Alternatively, we could provide free passes to everyone subject to revocation for criminal, rowdy, other anti social behavior, or using the transit vehicle as a way of loitering.
Regardless, there are many people who are just offended by having to share any form of transportation with those who don't rise to their class standards. Taking the bus is just simply beneath most people as it is associated with the transit choice of the poor and non white.
When push comes to shove and people have no choice, lives will be re-arranged to accommodate what the transport industry is capable of offering.
I have heard so many times the refrain, "Oh, but people are not going to be willing to give up their cars."
When having a car is simply no longer viable, they will be given up in spite of the inconvenience of using whatever the locally prevailing best option is.
In 1970, public buses had 4% of commuters in Washington DC,
Last year more people took public transit to work in DC than drove alone in their cars & SUVs. (Cars with 1 or more people still outnumber transit pax).
I use that as proof that people can be lured out of their cars by reasonably good (not great) Urban Rail.
Best Hopes for Better and More Urban Rail,
Alan
http://blogs.wsj.com/environmentalcapital/2008/04/11/when-cheap-housing-...
April 11, 2008, 2:23 pm
When Cheap Housing Isn’t: How Transportation Changes the Equation
Posted by Keith Johnson
Ana Campoy reports:
I've recently noticed that in Asheville NC they have an Emergency Ride Home program.
This program makes wonderfully good sense, and should be a real "winner" when it comes to encouraging people to consider alternatives to driving for their daily commute.
I am so impressed with this idea, I wish I could research it further and develop it into an article for TOD:Local, but I'm afraid I just don't have the time.
Subsidies are bad. The effect here in Sweden from subsidized mass transit and heavily taxed gasoline is that as oil has risen in price, the ticket price for mass transit has risen a lot faster than the gasoline at the pump, due to the leverage.
Assume fuel costs being 33%, wages 33% and capital costs (the buses and stations etc) 33%. Close enough to reality.
If the bus company get 75 SEK for every customer, and 25 SEK from the customer (roughly correct figures) and the price of diesel at the pump increases by 10%, but not the subsidy, then the bus company need to increase the ticket price by 3.3 SEK or 13.2%.
But the driver of a car has costs where fuel is only 20-25% of the total cost of the car per mile. A 10% increase in the cost of diesel (or gasoline) will only increase what he pays per mile by 2%.
So what has happened in Sweden as the fuel price has risen, is that the cost of mass transit has risen more than the price of gasoline. If a driver only looks at the cost of fuel, and ignores service, insurance, capital costs etc (which many do), they immediately see that mass transit has risen more than car fuel, so they stick to their cars.
Subsidized mass transit is doomed.
And anyway, the politicians does not want to pay more to mass transit. Sometimes they have "free mass transit day" here in Sweden, but they won't increase the number of busses, so you end up with a full bus and people being left at the bus stop, cursing. If it even stops, might just drive past unless someone is getting off.
I really don't see any solution, unless we see oil in four figures, which I belive we will eventually. But then the solution won't be mass transit, it will be massive unemployment so fewer people will go to work.
Unfortunately once a government subsidized transit system is implemented you are doomed to a high cost monopoly. Now that BART (Bay Area Rapid Transit) in San Francisco California, has a strangle hold on the Bay Area the union monopoly wants a total compensation per person of about $125,000 per year. This for train operators whose only job is to prevent the doors from trying to close if someone is standing in it. The trains were designed to run fully automated, but the union insists that thousands of employes are needed to keep it “safe”.
A monopoly by any other name is still a monopoly.
The reason they are striking for that much total compensation is that you need a salary that large to buy a house in Silicon Valley, or to rent an apartment for that matter. My sister ran an apartment complex ten years ago and she simply wouldn't rent to anybody that didn't have a family income of 65 thousand, which means a total compensation of 90 thousand, which is counting taxes and benefits. I understand that this seems high to you, but it really is expensive real estate around here.
The union isn't going to get the raise though. We're broke, we are running very large deficits statewide. Figure on a rollback in salaries as soon as house prices go back to normal.
You have touched on reasons why both government and corporate ownership and operation of toll goods does not work very well. The corporations just want to maximize profits, which means jam-packed mass transit during peak hours and no service at all when and where the riders are few. Governments tend to either pour in subsidies to the systems (resulting in better service when and where riders are few) but creating a black hole in their budgets, or they end up having to starve their systems in order to milk them for revenues to subsidize other projects and programs.
There is a better alternative, but to my knowledge it has rarely if ever been tried anywhere: public ownership of toll goods.
By public ownership, I mean that the toll good (mass transit system in this case) is owned and operated by a board of trustees, directly elected by the population of the service district and NOT appointed by the government. This point is crucial. Only by having the trustees b eing directly elected do you establish an effective feedback loop to assure that the right balance is maintained between fare prices and service extent and quality. If fares are rising too high, people have another alterntive than just driving their cars - they can vote for trustees that will run the system more efficiently and lower fares. If service quality is getting too poor and inconvenient, people have another alternative than just driving their cars - they can vote for trustees that will improve service quality, extend lines out to serve more people, and extend service schedules.
This is the only sure answer I know of to the problems you raise. Unfortunately, I'm not sure how to make it happen. Obviously, corporations hate this and want everyone to think it is the most evil thing in the world. Less obviously, governments and politicians also hate this, because it reduces their power a little. The only ones that might like this are the ordinary people that have to continue to suffer, but we all know how much THEY (we) count.
Don't know how familiar you are with the geography of southern California, but the history of rail into San Diego is fraught with problems trying to overcome what I may euphemistically call the elevation challenge. The easiest solution (for E-W) was to go through Mexico, and therein lay an additional challenge, especially if the US ever decides to build a truly secure border wall/fence.
As far as connecting California is concerned I doubt that the port of San Diego is that important (it is primarily a military asset.) Rather, connecting the agricultural output areas of the central valley, and perhaps the "inland empire", to the high speed network should take priority IMO.
Also, wonder if you have considered that one reason to continue the high speed rail from central AZ into west TX would be to handle the product going from the ports of LA/LB eastward? On any given day the string of Evergreen/Cosco containers going east is impressive.
I have limited knowledge of San Diego geography (never been there).
Going from Los Angeles to Phoenix was problematic, and San Diego has enough people to justify a link.
Union Pacific has an unused, but not abandoned, ROW from Yuma (CA border) to Phoenix. There is also (from memory) an abandoned RR ROW just north of the border (it may go south ?) out of San Diego.
Overall, I have budgeted over $100 billion (about $120) for about 8,500 miles. Thus the pressure to cut (a real world issue BTW).
I think that 60 to 79 mph transport through most of the West is doable (even when 100 mph freight service is available, many container shippers would prefer cheaper 60 mph service).
This is also true of many veggies and fruits that keep well. Onions and apples should not be expressed IMHO.
Would savings in time sensitives veggies pay the cost for 98% express travel vs. 75% express ? The passenger loads from LA to Houston and beyond would not be large, as long as flying is a higher cost option. So the economics would have to come from freight.
Would loads from California to Chicago go south or just head towards Kansas City at slower speeds ? Given the reduced miles from a direct route and the higher costs of higher speed (even @ 100 mph from LA to Chicago via San Antonio), most would take the shorter, slower route IMVHO. The fewer miles would reduce the time penalty.
Difficult questions, and perhaps delayed until Phase II.
Alan
One would think that Southern California with its roughly 20 million people would make for an excellent place to which to run high-ish speed rail, but the geographic challenges are large.
San Diego county is beautiful but the mountains are almost impassable even for autos, into the desert. There are only a couple of routes in and out of the county that handle all the traffic. The history of rail into San Diego is one of frustration - that is why today's major rail line follows the coast up into Orange county.
Here is the route that the San Diego and Arizona Eastern RR tried, going through Mexico:
http://www.sdrm.org/history/sda/photos/sdamap2.jpg
In modern times the Metropolitan Transit District took over the remaining ROW (one of the few smart things they've done, IMO) and leases some of the capacity to a couple of small freight companies. To give you an idea of what you are dealing with, here is the Wikipedia photo of one small portion of the route:
http://en.wikipedia.org/wiki/Image:Carrizo_gorge.jpg
Getting out of LA going east... you likely will need to follow the valley as created by the San Andreas fault (earthquakes be damned....), as in I-10 (through Riverside county). To go NE, as towards Vegas, one runs into mountain troubles again but there is a rail line that winds through the mountains - I've watched the trains meander slowly through the passages on my (driving) trips to Vegas (as the rail line is close to I-15 in some spots.)
Residents/businesses in SB, Ventura, Orange, Riverside, and San Bernadino counties would have to use that one passage above.
So there you go, the irony of it all... a region of 20 million people, and thus a large need for transportation, but no obvious route out for high speed rail. Second irony - lots of sunshine (for solar generated electricity) but unlikely to find an electric rail road out of the place...
As for connecting the line all the way through to TX, I was not thinking so much about fresh produce but rather in servicing the needs of the Chinese companies whose ships land in LA or LB, and who wish to ship eastward to the mountain states.
I wonder if, as far as spending capital on electrifying rail, it would be better to concentrate on the portions of the US east of the Rockies initially, and let the Californians deal with building a regional network to get people/goods from SF to SD.
I wish I knew more of the topography of Southern CA (I may call some people involved in S Cal rail).
I note that the $60 billion California High Speed Rail project plans some large and long tunnels.
TBM driven tunnels have been decreasing in price by about 3%/year (inflation adjusted, i.e. flat costs in recent years).
Lower speeds allow smaller tunnels (and/or less fuel consumption).
Overall, I am budgeting about $14 million/mile. Some flat and easy stretches at $3 or $4 million/mile allow for more expensive sections.
BTW, there is an existing plan to double track and increase speeds to 110 mph from Los Angeles to San Diego just for "local" traffic. $4.2 billion for that section (2002 $).
If it was not such a high value market (freight and people) I would cut it from the list. Note that most of the "red lines" are east of the Mississippi.
H'mmmm...
Also, most of the containers from LA/Long Beach are heading east of the Mississippi River. The Panama Canal will be expanded in 2014 (new Pananmax ships = 2.5x old Panamax) and this will unclog a major bottleneck.
Alan,
Only East of LA is there a fairly level passage through to the East side of the Sierra, Yuma and into Arizona. San Diego to Yuma is blocked by the Cuyamaca range, and everything north of Bakersfield is blocked by the much higher Sierra. I don't remember the elevation of the pass between San Diego and El Centro but it is probably 3500 ft or more. I think LA to Barstow, Yuma, then Gila Bend, and Mesa is the better path, then North to Phoenix and South to Tucson. East from Tuscon through to Albequerque should also be possible, but on the other side of Albequerque there is another range.
I grew up in San Diego and Tucson and have vivid memories of laboring uphill with the AC off and the windows open, and then enjoying the downhill half. There were always older cars stopped by the road with radiators billowing steam.
It's funny how we have isolated ourselves from the elements with climate control and high horsepower engines. With electric vehicles, even trains, we'll need to again recognize the immense amount of energy required to ascend mountains or to keep cool in the hot desert. Travel at night can be wonderful, as is travel by train.
Keep up your crusade for reviving train travel. It makes a lot of sense.
Chris
Why in the name of all that is holy would you go up over the hills to Barstow first when you have a nice flat (relative to the I5 corridor) straight line out along the I10 all the way to Florida?
Take her straight along/above/below the I10 from LA through San Berdoo, Palm Springs an on to the Arizona border. Hell, the way things are going you may not even need a bridge to cross the Colorado River.
Cheers
Sorry, forgot about those hills. I only went that way a few times because we usually went by car between San Diego and Tucson.
Just out of curiousity, are the Sierras the main reason gasoline is so much more expensive in California? California isn't that much further from the Gulf than New England is, but our gas in the Northeast is a lot less than in CA.
FWIW, you can see some of the topography with Google Earth. Turn the thing down so you are looking from the side, and exaggerate the vertical scale a bit, and the mountains really show up well.
Alan,
My brother's buddy contacted you via e-mail. My bro and I came from So Cal. He can give you some quick pointers. The line I pointed out in another post on this sub-thread is the most direct. The only reason I can think of to need so many tunnels is if they are planning on going through the high desert vs. the low desert. The only reason I can think of to do that is avoid riding along the San Andreas. But, you have to go over it no matter what you do, unless the terminal is well east of LA and then burrows through the mountains.
You could also go south through Orange County then loop down and over to the temecula area or north into Riverside... but both would likely require some tunneling.
Going due East from LA would require no tunnel I can think of unless you want to avoid any gradient at all and tunnel through the small rise at the Redlands/Yucaipa border.
Cheers
I found a history of the San Diego and Arizona Railroad,
http://www.sdrm.org/history/sda/history.html
With several billion dollars, this section could be tunneled (and they did find an "All American" route, but more $), but the costs outweigh any advantages.
Best Hopes,
Alan
You talk about two levels of service - a premium (and faster service) for perishable stuff, and a standard service for stuff that doesn't need it. But isn't there additional cost in maintaining two different levels of service? What would be the extra cost in having just one level of service (at least in terms of the speed of the trains when going from one city to another)?
You could provide different levels of service at the switchyard. You could arrange things such that premium freight is unloaded first (perhaps putting all of the premium cars at the head of the train??).
Today's USA RRs have assorted capacity constraints, which prevent RRs from competing on speed and reliability with truck freight. And many cargoes cannot ship with today's RR speed and reliability.
Rule of thumb is that a single track with good sidings can handle 36 trains/day, double track 110 trains/day. Add 15% for electrification (faster acceleration & braking).
Look at the CSX proposal. 1,200 miles of grade separation. Three tracks, two regular, one high speed (two high speed trains, one N bound, the other S bound) can pass with one pulling over onto a slow track for several miles).
I think that one corridor could carry 100% of the East Coast rail and truck traffic without congestion. Perhaps 170 to 200 trains/day. Add a second corridor converging from the West and I have no doubts about capacity > demand.
CSX can reliably deliver cargoes at lower cost than trucks along the US East Coast (DC to Miami) and beyond to Boston with access to Amtrak's NEC (Note NEC congested at rush hour and needs some new tunnels under Baltimore and in Connecticut).
I see operational advantages more than disadvantages with the 3rd track being higher speed rather than a just interchangeable track (there are advantages the other way too).
Being able to cruise at 110 mph from, say, Charlotte to Atlanta or to Richmond/DC would attract passengers that 60 or 70 mph would not attract. Not as good as 180 mph, but still, IMHO, quite attractive vs. driving or flying.
And a dual use semi-high speed rail track can be justified by passengers PLUS express freight.
Best Hopes,
Alan
Supposing that your 110mph option was built, would it be possible to upgrade later to 180mph at any reasonable cost?
Otherwise the US will end up with a more or less permanently inferior and slower rail network to Europe - that may be the way it will go, but it would be nice to know if there are other options that could be utilised after we have got other energy sources up and running, assuming that we manage that without breakdown.
Thanks.
95% or so of US RR ROWs are 100' (30 m) wide. CSX proposes separating them enough (30' on one side from memory) that one track can be worked on and the other two kept open.
Only by violating that restriction can a 4th track be added to a 100' ROW. And expanding the radius of curves significantly means major ROW additions for curves.
Tilting trains add perhaps 30 mph (USA rail standard are different from EU and this # is not firm) at the price of much more expensive rolling stock (with higher maintenance as well).
I suspect that a Slow-Fast-Slow type upgrade would be possible, but with the number of express freights (SBB, SwissRail has designed special freight cars for 160 kph/100 mph service, not faster) fast A to B times will be "constrained".
Once established, express freights will not be dislodged (nor should they be).
There is a problem with physics and the "super elevation" (ramping) on curves for different weight/axle load cars with varying centers of gravity (pax has low center of gravity).
Upgrade tracks for 300 kph service and try to run freight on the same track (see under construction 44 km link between Spain & France) and it only works on straights or VERY large radius curves.
I can only see service above 140 mph (maybe 150 mph) on a separate track with mainly new ROW. I am not confident above 125 mph on the semi-HSR I have proposed with "reasonable" upgrades.
Best Hopes for One Day Cursing My Name for Clogging up All the Good ROWs with these Damm Slow 110 mph trains,
Alan
Our passenger service might be inferior, but our freight RR service would be the best in the world :-)
Alan
Alan,
What is the difference between high speed track and low speed track?
How is the track used by bullet trains like Shinkansen different from regular tracks?
Besides tie spacing and methods of affixing rail to maintain precise gauge (I am NOT an expert here), the biggest issue is super elevation. This is how much the outboard rail is raised above the inboard rail and angled away from horizontal.
Heavy freight cars with high center of gravity will derail on HSR track curves and their high super elevations.
HSR can handle MUCH steeper grades than freight rail (Frankfurt-Koln has 4% grades for example) and regular freight likes grades no more than 1.2% and begins to fail below 2% (all sorts of issues in those #s, extreme cases can handle almost 3%). Being able to handle terrain without digging or elevating is a cost saver for HSR.
HSR requires MUCH larger radius curves than freight rail.
Coal trains and the like beat the rail and rail bed severely and make it unsuitable for high speed rail. Those my caveat of light and medium density express freight.
Hopes that Helps,
Alan
BTW, mixed use is possible, as long as extremely large radius curves are used. Mixed freight and HSR on Frankfurt-Koln required
* maximum grade of 1.25% (occasionally 2.0%)
* curves with small superelevation and minimum radii of 4,800 m to 7,000 m
* maximum line speed of 250 to 300 km/h
HSR only required
* maximum grade : 4.0%
* minimum radius : 3,350 m
* maximum speed : 300 km/h (186 mph)
Building for mixed use costs significantly more if there are many curves required and/or in hilly terrain.
EU axle loads for freight are slightly over half of US axle loads and the EU does not (AFAIK) run double stack containers (higher center of gravity). USA figures for mixed freight & HSR would be more extreme.
http://en.wikipedia.org/wiki/Cologne-Frankfurt_high-speed_rail_line
My solution is to build "improved freight" quality tracks and run at lower, but still fast, speeds. 110 mph leaves a small cushion (as does excluding high density/high axle load freight), 125 mph pax service appears to be about the limit for economical mixed use IMHO.
The main difference is the turning radius of the tracks, the straight forward parts are the same. To have different speeds you need enough parallell tracks and thus it becomes a right of way isses. Make the straight parts wide enough, buy areas for wide curves when it is cheap and plan for building new parts with greater turning radius.
Large turning radius and low steepness of the track are cost drivers since they drive the ammont of cuts and embankments, tunnels and bridges and also makes it harder to round obstacles and NIMBY areas.
High speed railways for light trains like passanger only trains can accept steeper tracks by using stronger engines and accepting a slow down travelling upwards and this can save significant money. This has been used in France but the intrest of using it in Sweden where we only can afford to build high speed rail in small increments is low since most of the tracs will carry some cargo traffic or be backup for cargo carring tracs. One non high speed example for this kind of trade off is the new commuter train station in central Stockholm that has started building for wich the new commuter trains has gotten stronger engines to make it easier to thread the train tunnels thru the swiss cheese bedrock in central Stockholm.
The central question for high speed passanger rail in the US is probably your economical strenght in about 2015-2035. You ought to be able to afford all new high speed rail lines, incremental improvements in your current infrastructure should help this since it is good for your economy.
One thing to remember Magnus is that US rail axle loads are extreme and we ship double stack containers, which makes the center of gravity higher.
Do not underestimate the issues of super elevation (Swedish tilting trains were invented to compensate for low super elevations of freight track).
Best Hopes,
Alan
Double stacking would not be a good idea on our electrified railways ;-) But we have a slowly moving project to enlarge the free space to handle a 3,6 x 3,6 m containers, the pioneer customer were Stora-Enso oversize paper containers.
I should have thought about it since specialized wagons for outsize heavy cargo like high voltage transformers use a system for sideways displacement of the load to handle the elevation in curves and obstacels on one side. I read some more about them when one such wagon capsized this winter wreacking itself and a very big transformer.