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Old July 7th, 2010, 07:38 AM   #5841
brewerfan386
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Quote:
Originally Posted by Nexis View Post
Is 6 lanes really needed there , seems such a waste.....
Yes, three lanes are very needed on that stretch of road look at all the headlights coming towards the camera. Plus the area photographed is part of the somewhat famous triple Interstate concurrency in Wisconsin. I have driven that part before on MANY occasions and can tell you from experience that anything less then whats built now would be nightmarish (especially during the summer).
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Old July 7th, 2010, 07:43 AM   #5842
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Quote:
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Is 6 lanes really needed there , seems such a waste.....
It is needed there BIG TIME. The six lanes were installed there in the mid 1980s (the original four-lane highway opened in the early 1960s), the construction work there now is because at that time, WisDOT inexplicably omitted the median barrier over most of that length (the six lanes runs between the US 12/18 'Beltline Interchange' in Madison to the I-39 split (the 'Cascade Interchange') near Portage, WI) and only now got around to putting it in. That highway is quite busy, indeed, and plans are well along to extend the six lanes southward on I-39/90 to the Illinois state line and the similarly recently upgraded Northwest Tollway.

I also believe that there should be long-term plans to upgrade I-90/94 from four to six lanes between that I-39 split and the I-90/94 split (the 'Tomah Interchange'). This section goes past the Wisconsin Dells area - a big-time midwestern USA tourist trap city (it is to us what Niagara Falls, the New Jersey Shore or Gatlinburg are to the northeast).

Combined with the northwoods vacation areas on and beyond the north end of I-39, even those six lanes between Madison and Portage are sometimes not enough on summer weekends (think: 'Chicagoland and metro Milwaukee').



Mike

Last edited by mgk920; July 7th, 2010 at 07:48 AM.
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Old July 7th, 2010, 10:53 AM   #5843
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The multiplex carries between 54,000 and 87,000 vehicles per day. Not extremely busy, but for a long distance, six lanes is preferred, as 75,000 + and four lanes are usually accident black spots.
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Old July 7th, 2010, 09:14 PM   #5844
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Quote:
Originally Posted by Nexis View Post
Is 6 lanes really needed there , seems such a waste.....
You should consider that this was taken after 8 p.m. on a Sunday. The freeway gets pretty busy on weekdays, and it's sometimes jammed for holidays (i.e. Fourth of July weekend).
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Old July 10th, 2010, 09:18 PM   #5845
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The 605 Freeway, in California -- taken by me, back in March:









More here: http://www.asphaltplanet.ca/CA/I/605/index.html LA's Freeway's are neat -- unlike any other city's road network that I have been to.
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Old July 10th, 2010, 11:01 PM   #5846
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Those signs need a good washing.
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Old July 11th, 2010, 12:18 AM   #5847
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They just need to go those things are ridiculously outdated.
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Old July 11th, 2010, 02:46 AM   #5848
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They just need to go those things are ridiculously outdated.
That too. But they're so grimy they make you say, so that's what forty years in the smog does to you....
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Old July 11th, 2010, 06:24 AM   #5849
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Button copy is everywhere in LA. Almost to the point, when driving the freeways I took more note of when I saw a reflectorized sign(!).

The grimy-ness of the signs is somewhat a reflection of the city. Los Angeles is an extremely neat place -- I can't wait to go back -- but a lot of the city feels just a little bit dirty.

Cheers.
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Old July 11th, 2010, 06:38 AM   #5850
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I have a question.

I have an impression that US Interstates are typically not as busy as motorways in Europe (especially outside big cities or dense urban areas). What could be a typical AADT in some stretches of non-urban interstates somewhere in Vyoming or Nebraska?
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Old July 11th, 2010, 07:55 AM   #5851
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Quote:
Originally Posted by Pansori View Post
I have a question.

I have an impression that US Interstates are typically not as busy as motorways in Europe (especially outside big cities or dense urban areas). What could be a typical AADT in some stretches of non-urban interstates somewhere in Vyoming or Nebraska?
Depends where but states like Wyoming or Nebraska probably have very low AADT but in rural Florida for example the non-urban Interstates are pretty busy.
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Old July 11th, 2010, 10:03 AM   #5852
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Generally eastern US: 20,000 - 40,000 outside metropolitan areas
Generally western US: 10,000 - 20,000 outside metropolitan areas

There are of course busier and more quiet sections than these.

This is generally lower than in Europe, which is because of the population density. It's hard to find a rural motorway in the UK or the Netherlands with less than 40,000 vehicles, Germany is a bit of both, some rural Autobahns are floating around 50,000 but others are in the 20,000 range.

I believe the quietest section of Interstate Highway carries 1,800 vehicles per day near Houlton, Main (I-95). Interstate 25 new Buffalo, Wyoming is also extremely quiet at 3,000 vehicles per day.
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Old July 11th, 2010, 10:40 AM   #5853
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Most recent map I could find...



From FHWA.
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Old July 12th, 2010, 06:56 AM   #5854
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A brief rant:

If anyone on this forum has any pull with the DC DOT, would they please get them to do something about the signage leading from K Street NW to I-66? It's always been bad, but in the past I've managed to find my way. Today, maybe the fourth time I've ever tried to do that, I somehow got onto E Street eastbound*, turned around (thinking it would head back the way it came, but no....) and ended up on the Whitehurst. At least I know my way around DC enough that I knew the Whitehurst would get me to Key Bridge so no harm done. But sheesh!

*There's a point at which one has to choose between E Street and...NOTHING. I'm guessing there used to be an I-66 West sign where there's nothing now. Since at the decision point before that one there was a sign saying E Street and Theodore Roosevelt Bridge** (the I-66 bridge), I figured, okay, I'll keep following E Street.

**Actually, it didn't say "Theodore Roosevelt Bridge," but "TR Bridge." Without periods even. Soooooo helpful. And it was a pretty small sign.

If we never hear from Nerdly Dood again, we should probably assume he's lost trying to find his way back to Arlington.
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Old July 12th, 2010, 03:10 PM   #5855
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LOL hell no, i wouldn't dare trying to drive in DC - the nearest subway station is a mile away, so an easy walk.

And about that map posted by Rail Claimore... I don't see how I-81 in Virginia could be green with Interstates in western states (Wyoming, MT, ID) are yellower in color - I-81 is very congested, and really needs an extra lane or two. (But, naturally, VDOT hardly has enough money to maintain what we already have, forget any upgrades) - I haven't been on any Western Interstates but I don't know how they could have more traffic than 81.
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Old July 12th, 2010, 03:15 PM   #5856
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Quote:
Originally Posted by nerdly_dood View Post
LOL hell no, i wouldn't dare trying to drive in DC - the nearest subway station is a mile away, so an easy walk.

And about that map posted by Rail Claimore... I don't see how I-81 in Virginia could be green with Interstates in western states (Wyoming, MT, ID) are yellower in color - I-81 is very congested, and really needs an extra lane or two. (But, naturally, VDOT hardly has enough money to maintain what we already have, forget any upgrades) - I haven't been on any Western Interstates but I don't know how they could have more traffic than 81.
What happen to the Dual Rail Corridor they were planning?
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Old July 12th, 2010, 04:24 PM   #5857
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Quote:
Originally Posted by nerdly_dood View Post
LOL hell no, i wouldn't dare trying to drive in DC - the nearest subway station is a mile away, so an easy walk.

And about that map posted by Rail Claimore... I don't see how I-81 in Virginia could be green with Interstates in western states (Wyoming, MT, ID) are yellower in color - I-81 is very congested, and really needs an extra lane or two. (But, naturally, VDOT hardly has enough money to maintain what we already have, forget any upgrades) - I haven't been on any Western Interstates but I don't know how they could have more traffic than 81.
It looks to me like there's both a yellow and a yellow-green. As i read the map, everything in states like Wyoming is in the below-25,000 AADT range, while 81 in Virginia's at 25-to-50 (looks like it may even be higher between Harrisonburg and Staunton). Would be interesting to be able to blow the map up; is there a link?
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Old July 12th, 2010, 06:14 PM   #5858
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It looks to me like there's both a yellow and a yellow-green. As i read the map, everything in states like Wyoming is in the below-25,000 AADT range, while 81 in Virginia's at 25-to-50 (looks like it may even be higher between Harrisonburg and Staunton). Would be interesting to be able to blow the map up; is there a link?
I don't know, but here's some food for thought.

On I-81, truck traffic often exceeds 25% of the traffic - so if trailers were counted as separate vehicles, I think the I-81 AADT would be much higher.

81 is used as a route to bypass I-95 in the miserable DC area for trucks going from Up North to eastern South Carolina through Florida. Also, when going along Interstate 40 in Tennessee, the interchange with 81 requires that drivers who do not want to stay on I-40 will not merge right - essentially, that I-40-EB becomes I-81-NB without taking any exit ramp. This also applies to 81-SB turning to 40-WB. So essentially it's a straight route from, say, Winchester or Roanoke, directly to Knoxville and beyond, and it's a critical route for freight (sometimes very illegal freight) coming out of Mexico.
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Old July 12th, 2010, 06:20 PM   #5859
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A truck has a passenger car-equivalent of about 2 - 2.5 in traffic volumes. 10,000 trucks are the same as 25,000 passenger cars.
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Old July 13th, 2010, 01:07 AM   #5860
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Quote:
Originally Posted by nerdly_dood View Post
I don't know, but here's some food for thought.

On I-81, truck traffic often exceeds 25% of the traffic - so if trailers were counted as separate vehicles, I think the I-81 AADT would be much higher.

81 is used as a route to bypass I-95 in the miserable DC area for trucks going from Up North to eastern South Carolina through Florida. Also, when going along Interstate 40 in Tennessee, the interchange with 81 requires that drivers who do not want to stay on I-40 will not merge right - essentially, that I-40-EB becomes I-81-NB without taking any exit ramp. This also applies to 81-SB turning to 40-WB. So essentially it's a straight route from, say, Winchester or Roanoke, directly to Knoxville and beyond, and it's a critical route for freight (sometimes very illegal freight) coming out of Mexico.
It's used for that purpose, sort of as a western alternate route for I-95. But I-81 and parts of I-40, I-75, I-24, and I-59 were really built to connect the Northeast with New Orleans and the Gulf Coast. That route was intentionally designed as a replacement for US 11. The Shenandoah Valley is the only relatively flat route through the Appalachian chain south of Upstate NY. It's a natural transportation corridor.
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