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Old June 14th, 2016, 01:43 AM   #11641
Kanadzie
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The grooved California concrete highways are famous, they were made like that on purpose and have been that way forever (at least 30+ years)

There is a section of Autoroute 440 in Laval, Canada that has that same kind of surface. But newer concrete paved freeways in Quebec have smooth concrete for whatever reason, I guess the grooves didn't give much benefit.
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Old June 14th, 2016, 02:24 AM   #11642
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Quote:
Originally Posted by myosh_tino View Post
Actually, those grooves look like they were made when the concrete was poured and are there to provide additional traction when it rains. Water on smooth concrete is a recipe for disaster. The only real issue with this type of grooving is an increase in road noise.



That's like comparing apples to oranges. Asphalt roads, like those in the Arizona pictures, do not need to be grooved because of their porous nature.
Wouldn't it increase fuel consumption due to smaller contact patch?
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Old June 14th, 2016, 04:51 AM   #11643
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Some photos of I-66 approaching Washington DC:











My whole set is here:
http://www.asphaltplanet.ca/VA/I/66/index.htm
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Old June 14th, 2016, 10:16 AM   #11644
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Some exciting news from Dallas. TxDot is considering a plan that could see the removal of 345 and the relocation of I 30 entirely.





http://dallascitymap.com/results.htm...461877489#home
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Old June 14th, 2016, 02:54 PM   #11645
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Quote:
Originally Posted by Kanadzie View Post
The grooved California concrete highways are famous, they were made like that on purpose and have been that way forever (at least 30+ years)

There is a section of Autoroute 440 in Laval, Canada that has that same kind of surface. But newer concrete paved freeways in Quebec have smooth concrete for whatever reason, I guess the grooves didn't give much benefit.
I had ambition of posting some photos of grooved concrete from various US states yesterday, but didn't find the time, but, a lot of states use longitudinal tined concrete. It reduces road noise compared with conventional longitudinally tined concrete. It can be retrofitted onto an existing concrete slab using diamond grining, however, most often the tining is actually applied to wet concrete at the end of the screed.
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Old June 15th, 2016, 09:38 PM   #11646
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The grooves are there to help drainage and to reduce the risks of hydroplaning. Yes. But the slots are for supporting load.
Quote:
Load transfer restoration (LTR), also called retrofitted load transfer, refers to the placement of load transfer devices across joints or cracks in an existing jointed concrete pavement. This increases the transfer of loads across these discontinuities, thereby reducing pavement deflections and subsequent pumping, faulting, and corner breaks.
http://www.fhwa.dot.gov/pavement/pub_details.cfm?id=355
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Old June 23rd, 2016, 09:08 AM   #11647
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Some photos of construction on 35 in Fort Worth













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Old June 23rd, 2016, 08:25 PM   #11648
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Houston area toll roads

The HCTRA operated toll roads in the Houston area become more user friendly for sporadic users. Very soon, drivers who don't have a toll tag can pay the toll on the redesigned HCTRA website.

Originally, the electronic toll roads could only be used with a transponder / tag. Motorists without a transponder were automatically in violation, and had to pay for that. This is different from many other agencies who have license plate tolling (for example the NTTA in the Dallas-Fort Worth area has a system called 'ZipCash').
Because of the language used when voters approved establishing HCTRA, saying the agency shall collect tolls at the time of tollway use, the agency doesn’t send bills for unpaid tolls and only notifies people with violations. The first violation comes with an additional $5 fee on top of the tolls owed, with the second and subsequent violations costing $33.

Evans said people who pay before receiving a notice, referred to as a “missed toll” can go online once the system is active and pay the tolls, plus a $1.50 administrative fee. The crucial part of paying tolls is to do so before they become violations, she said.
Source: http://www.chron.com/news/transporta...ng-8319372.php

New HCTRA website: https://www.hctra.org/
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Old June 23rd, 2016, 08:42 PM   #11649
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Tampa Bay Express


TBX passes in overnight vote; $6 billion in funding approved

After hours of public comment, the Hillsborough County Metropolitan Planning Organization has voted to move one step closer to getting funding for the Tampa Bay Expressway project.

The board voted 12 to 4 early Thursday morning to approve $6 billion in funding for TBX, which is designed to add toll express lanes on Interstates 4, 75 and 275 in Hillsborough County to help reduce traffic congestion on the county's busy freeways.
Full report: http://www.abcactionnews.com/news/hi...al-tbx-project

This megaproject consists of 80-90 miles of new toll lanes (express lanes) along I-4, I-75 and I-275 in the Tampa Bay area. It's one of the largest express lane projects in the U.S.

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Old June 23rd, 2016, 09:40 PM   #11650
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Quote:
Originally Posted by ChrisZwolle View Post

TBX passes in overnight vote; $6 billion in funding approved

After hours of public comment, the Hillsborough County Metropolitan Planning Organization has voted to move one step closer to getting funding for the Tampa Bay Expressway project.

The board voted 12 to 4 early Thursday morning to approve $6 billion in funding for TBX, which is designed to add toll express lanes on Interstates 4, 75 and 275 in Hillsborough County to help reduce traffic congestion on the county's busy freeways.
Full report: http://www.abcactionnews.com/news/hi...al-tbx-project

This megaproject consists of 80-90 miles of new toll lanes (express lanes) along I-4, I-75 and I-275 in the Tampa Bay area. It's one of the largest express lane projects in the U.S.

Very necessary, but extremely unpopular within the City of Tampa. I'm still not sure why, though.
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Old June 24th, 2016, 01:05 AM   #11651
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Quote:
Originally Posted by ADCS View Post
Very necessary, but extremely unpopular within the City of Tampa. I'm still not sure why, though.
Maybe because it will take land, add noise, and add emissions.
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Old June 24th, 2016, 09:26 AM   #11652
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Very necessary, but extremely unpopular within the City of Tampa. I'm still not sure why, though.
This is a project that will cost billions, not improve traffic, and tear through the center of the city. What is needed is an alternate highway that goes east-west. Here in Seattle the tolled express lanes on the 405 made traffic worse for example.
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Old June 24th, 2016, 03:33 PM   #11653
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Many express lane projects have been very positive for traffic flow though. I think the performance of the I-405 express lanes is more of an exception than a rule.

As far as I'm aware, these express lanes in the Tampa Bay Area are all planned to be new capacity, perhaps taking an HOV lane at worst (I'm not sure if the Tampa area actually has many HOV lanes).
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Old June 24th, 2016, 09:20 PM   #11654
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I-90, Spokane, WA

Amazing photo of I-90 in Spokane, Washington.


Spokane rainbow by Washington State Dept of Transportation, on Flickr
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Old June 25th, 2016, 06:33 PM   #11655
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Some pics of the Columbia River Highway (I-84/US-30):


http://www.asphaltplanet.ca/OR/I/84/...pr16_24x16.jpg
Westerly view from Exit 22


http://www.asphaltplanet.ca/OR/I/84/...pr16_24x16.jpg


http://www.asphaltplanet.ca/OR/I/84/...pr16_24x16.jpg
Two views looking easterly from the Exit 22 overpass.


Signage for Portland


http://www.asphaltplanet.ca/OR/I/84/...pr16_24x16.jpg
View looking westerly at approximately milepost 71.
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Old June 26th, 2016, 09:00 PM   #11656
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Gateway Expressway Animation - April 2016.

Hopefully this will get built. Look and enjoy



https://www.youtube.com/watch?v=wvDM_aKextg
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Old June 26th, 2016, 09:42 PM   #11657
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I don't think that that will work. It is just a stop-gap that will be quickly filled. A larger, deeper, multi-modal program is needed.

Some of the elements, like the airport interchange reconfiguration, are probably worthwhile, but I question the need for express lanes along an existing freeway.
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Old June 27th, 2016, 06:04 PM   #11658
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Wrt to houston, I wish there was a uniform license plate tolling system for the whole state and you didn't have to stress with tags at all.

I was in Houston last month and while heading back to college station I sat in traffic for a good 2 hours on 290. Should've taken the grand Parkway but couldn't because I don't have a tag. It's nice that this is changing.
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Old June 27th, 2016, 09:09 PM   #11659
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Quote:
Originally Posted by Tommy Boy View Post
Gateway Expressway Animation - April 2016.

Hopefully this will get built. Look and enjoy



https://www.youtube.com/watch?v=wvDM_aKextg
The Gateway Expressway is decades overdue so it will be very welcomed. The tolled express lanes are ridiculous, they are taking away an existing general purpose lane to toll it. They did the same thing here in Seattle on the 405 and all it did was make traffic worse. Greed at its finest, they made millions more than expected though.
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Old June 27th, 2016, 09:15 PM   #11660
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Quote:
Originally Posted by I-275westcoastfl View Post
The tolled express lanes are ridiculous, they are taking away an existing general purpose lane to toll it.
A general purpose lane or HOV lane? Normally these tolled express lanes / managed lanes / HOT lanes are a conversion from an HOV lane to a tolled lane.

Converting regular lanes into toll lanes wouldn't be very popular.
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