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Old November 13th, 2013, 11:59 PM   #9241
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Quote:
Originally Posted by geogregor View Post
Well, the only reason for eventual difference I can think of must be the different driving styles.
Agree. And I'd guess this would primarily be left lane use (or blocking in the U.S.). What I'd like to know is if there is a difference. If the way people in the EU or specific countries drive does make motorways more efficient and less likely to need additional lanes or less likely to get congested.
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Old November 14th, 2013, 03:43 PM   #9242
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I-635 LBJ Express, Dallas, TX

Aerial video that shows the current progress of the LBJ Express megaproject.

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Old November 14th, 2013, 03:56 PM   #9243
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crazy. i haven't been on i-635 in a couple of months, and now they are opening a section in one month. It looked like no section was even close last time i was on it. I don't think the aerial portion of that video is recent either. The section they showed on the news this morning from the high five to the Dallas North Tollway looked almost completed like the rendering with the trench part already dug out.

Last edited by rantanamo; November 14th, 2013 at 04:03 PM.
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Old November 14th, 2013, 04:09 PM   #9244
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http://www.wfaa.com/news/consumer/LB...231815361.html

you can see the portion that will open at 2:17 in the video
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Old November 14th, 2013, 08:00 PM   #9245
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I-820 / TX-121 North Tarrant Express, Texas

NTE also made a video.

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Old November 15th, 2013, 03:03 AM   #9246
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Old November 15th, 2013, 02:59 PM   #9247
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I-35E, Dallas, TX

I-35E in Dallas. Currently the busiest stretch of freeway in North Texas.

image hosted on flickr

Pre-game by Justin Terveen, on Flickr
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Old November 15th, 2013, 11:18 PM   #9248
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I-35W in Minneapolis

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Old November 15th, 2013, 11:28 PM   #9249
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Funding has been approved for two major projects in MSP.

The largest project is the extension of Route 610 to I-94. $ 100 million has been made available for this project. The second largest project is the widening of I-94 to six lanes northwest of MSP.





Also an interesting project; the St. Croix River Crossing near Stillwater, Minnesota. It will open in late 2016.

http://www.dot.state.mn.us/stcroixcrossing/

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Old November 16th, 2013, 02:13 AM   #9250
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I'm not sure of the exact date and I'm too lazy at the moment to look it up, but we're close (a few days at most) to the 50th anniversary of the opening of I-95 between Baltimore and Wilmington. It's named the John F. Kennedy Highway because he opened it about a week before he was assassinated, and the 50th anniversary of that is next Friday. (Time flies.)
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Old November 16th, 2013, 11:47 PM   #9251
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Texas was the first state (post-NMSL) to enact an 80 mph speed limit in 2006. It was initially only allowed in counties that had less than 15 people per square mile.

Utah began their 80 mph trial zones in 2008 or early 2009.

I think we will see more states adopt 75+ mph or higher speed limits in the future. Especially states that allow setting maximum speeds to certain highways (like Louisiana and Maine's 75 mph zones).

A lawmaker in New York is trying to get the speed limit raised to 75 mph.
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Old November 16th, 2013, 11:53 PM   #9252
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A lawmaker in New York is trying to get the speed limit raised to 75 mph.
That doesn't sound so weird to me. New York is more than just New York City and suburbs. Upstate Interstates could likely support a 75 mph speed limit, especially the Thruway sections.

Basically any normally designed rural freeway, even when designed in the 1950s or 1960s, can support a 75 mph speed limit.
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Old November 17th, 2013, 10:58 PM   #9253
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Exactly most people go those speeds anyways right now.
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Old November 17th, 2013, 11:15 PM   #9254
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A picture from my visit to the States in spring this year. I-70 from Dayton to Pittsburgh, somewhere eastern of Columbus, OH:
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Old November 18th, 2013, 05:24 AM   #9255
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Quote:
Originally Posted by ChrisZwolle View Post
That doesn't sound so weird to me. New York is more than just New York City and suburbs. Upstate Interstates could likely support a 75 mph speed limit, especially the Thruway sections.

Basically any normally designed rural freeway, even when designed in the 1950s or 1960s, can support a 75 mph speed limit.
I lived in upstate NY for a little while and the only stretch I could see getting a speed limit higher than 65 would be I-87 between Saratoga Springs and the Canadian border.

I can't see any influential NY lawmakers (who are most likely from the NYC area) allowing this.
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Old November 18th, 2013, 05:49 AM   #9256
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I must say, having 2 expressways intersect 60 feet over downtown Richmond is quite a presence.











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Old November 18th, 2013, 07:27 AM   #9257
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I wonder why all these middle size bridges are being constructed with the same idea/design? I already saw like 4 bridges with the same principle. Suspension bridge is out of fashion?
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Old November 18th, 2013, 05:41 PM   #9258
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I wonder why all these middle size bridges are being constructed with the same idea/design? I already saw like 4 bridges with the same principle. Suspension bridge is out of fashion?
Just more expensive. Developments on the applications of cable-stayed bridges rendered them more effective for many uses that wouldn't previously consider them up to the 1990s.
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Old November 18th, 2013, 06:04 PM   #9259
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Cable-stayed bridges are a relatively new development in the U.S. There were some built in the 1980s and 1990s but it didn't become a common solution until after 2000. Many cable-stayed bridges have been constructed across major rivers and waterways in the last decade or so.

Cable-stayed bridges were applied earlier in Europe, the first modern cable-stayed bridge is considered to be the Strömsund Bridge in Sweden, which opened in 1956. Germany built a load of them across rivers in the 1960s-1980s and still does. Many earlier cable-stayed bridges were made of steel, but concrete is preferred nowadays because steel is now 3 times more expensive than it was in the 1990s and before.
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Old November 18th, 2013, 08:27 PM   #9260
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What about the old-fashioned bridges that are only supported from below? Won't they be the cheapest?
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