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Author Topic: Virginia  (Read 1099898 times)

cpzilliacus

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Re: Virginia
« Reply #5950 on: October 14, 2021, 08:57:51 AM »

Seems highly unlikely ever to happen, mostly due to the amount of development along that road in the vicinity of Potomac Mills Mall (the end closer to I-95). If you wanted a freeway route from I-95 to I-66, Route 234 would be a better option than the Prince William Parkway, because it would be less difficult to upgrade, because it makes more logical sense in terms of a direct route for serving traffic coming from the south (or heading south), and because the Prince William Parkway ultimately joins Route 234 anyway. Look at a map and compare the route for traffic coming up from Fredericksburg via I-95 and Route 234 versus I-95 and the Prince William Parkway. If you go all the way to I-66, you wind up at the same place, but the latter route is much further out of the way.

I agree.

The design of VA-294 (Prince William Parkway) is much less like an expressway than VA-286 and VA-289 (Fairfax County Parkway and Franconia-Springfield Parkway respectively) and much more like a suburban arterial.

Only the VA-234 part of Prince William Parkway has the "look and feel" of an expressway.

The part of VA-234 that is Dumfries Road is not an expressway design either, but the right-of-way is wider than most of VA-294.
« Last Edit: October 14, 2021, 09:00:35 AM by cpzilliacus »
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bluecountry

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Re: Virginia
« Reply #5951 on: October 14, 2021, 09:02:34 AM »

Virginia has now reached an agreement with Transurban to extend the Beltway toll lanes to the AL Bridge. Now it's up to Maryland to keep its promise.
They need to reach a deal to make them bi-directional on 95 to Fredericksburg and let VA make the main lanes on 95 be either 4 wide OR at least up to interstate standards in PWC.

They've already looked into that and rejected it.

A more feasible option is removing traffic signals on 234 from 95 to 66.
They rejected what, bi-directional HOT on I-95?
Kinda messed up 66 will have bi-HOT but not 95 when if anything it should be the reverse.
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cpzilliacus

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Re: Virginia
« Reply #5952 on: October 14, 2021, 07:58:59 PM »

They rejected what, bi-directional HOT on I-95?
Kinda messed up 66 will have bi-HOT but not 95 when if anything it should be the reverse.

The reversible managed lanes on I-95 are a legacy of the design of the I-95 Busway (2 reversible lanes) that began operation in 1969 while the reconstruction of VA-350 to I-95 was in process (they were designed and engineered by VDH and its consultants prior to 1969). This ran from the D.C. side of the 14th Street Bridge to a point south of VA-644 (Franconia Road), and the restricted lanes now are along I-395 north of I-495 after this part was renumbered from I-95 to I-395 about 1973 or 1974.

After some years of busway operation the lanes were opened to car-pools (HOV-4) in the late 1970's and the HOV-4 requirement was lowered to HOV-3 not long after.  In the 1980's interim HOV-3 concurrent-flow lanes were extended to Prince William County.  In the 1990's the barrier separated HOV lanes were extended south from VA-644 to VA-234 in stages replacing the inadequate concurrent-flow HOV lanes.

After about 2010, a public-private partnership deal was signed between VDOT and Transurban to convert the I-95 part of the HOV corridor and the far southern part of the I-395 HOV lanes from 2 HOV lanes to mostly three HOV/toll lanes (styled 95Express) and extend to VA-610 in Garrisonville in Stafford County.  Due to legal objections from Arlington County most of I-395 was to remain as HOV-3 lanes for several more years.  Conversion to 95Express happened in  2014.

The rest of the corridor along I-395 was converted to mostly three managed lanes in 2019 (styled 395Express), with about 37 miles of reversible managed lanes in operation now from Garrisonville to the Virginia shore of the Potomac River.
« Last Edit: October 14, 2021, 08:02:07 PM by cpzilliacus »
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sprjus4

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Re: Virginia
« Reply #5953 on: October 15, 2021, 12:27:29 AM »

The new reversible lanes south of Woodbridge should have been at least designed to accommodate a second carriageway in the opposite direction, but it does not appear that was done.
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cpzilliacus

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Re: Virginia
« Reply #5954 on: October 15, 2021, 07:04:48 AM »

The new reversible lanes south of Woodbridge should have been at least designed to accommodate a second carriageway in the opposite direction, but it does not appear that was done.

The worst congestion is north of Woodbridge, especially for southbound traffic.

Adding non-reversible lanes would likely make the bottleneck conditions worse, not better.
« Last Edit: October 15, 2021, 12:33:06 PM by cpzilliacus »
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sprjus4

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Re: Virginia
« Reply #5955 on: October 15, 2021, 07:17:15 AM »

The new reversible lanes south of Woodbridge should have been at least designed to accommodate a second carriageway in the opposite direction, but it does not appear that was done.

The worst congestion is north of Woodbridge, especially for southbound traffic.

Adding none-reversible lanes would likely make the bottleneck conditions worse, not better.
Not saying build it out, necessarily, but at least have the grading and right of way acquired for a second carriageway in the future.

That way, if ever in the future, the reversible lanes are twinned heading north of Woodbridge, ig could continue south as well.
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cpzilliacus

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Re: Virginia
« Reply #5956 on: October 15, 2021, 12:37:54 PM »

The new reversible lanes south of Woodbridge should have been at least designed to accommodate a second carriageway in the opposite direction, but it does not appear that was done.

The worst congestion is north of Woodbridge, especially for southbound traffic.

Adding none-reversible lanes would likely make the bottleneck conditions worse, not better.
Not saying build it out, necessarily, but at least have the grading and right of way acquired for a second carriageway in the future.

That way, if ever in the future, the reversible lanes are twinned heading north of Woodbridge, ig could continue south as well.

I believe that would need to take homes on one or both sides of I-95 between VA-294 and VA-123.  Where would the transition be from reversible lanes to non-reversible be?
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sprjus4

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Re: Virginia
« Reply #5957 on: October 15, 2021, 01:16:45 PM »

The new reversible lanes south of Woodbridge should have been at least designed to accommodate a second carriageway in the opposite direction, but it does not appear that was done.

The worst congestion is north of Woodbridge, especially for southbound traffic.

Adding none-reversible lanes would likely make the bottleneck conditions worse, not better.
Not saying build it out, necessarily, but at least have the grading and right of way acquired for a second carriageway in the future.

That way, if ever in the future, the reversible lanes are twinned heading north of Woodbridge, ig could continue south as well.

I believe that would need to take homes on one or both sides of I-95 between VA-294 and VA-123.  Where would the transition be from reversible lanes to non-reversible be?
To be effective, it would need to stretch from I-495 heading southwards and tie directly into the Fredericksburg C/D lanes, similar to how the reversible is being constructed, but obviously in both directions.

You could build a viaduct in the most urban areas to reduce right of way impact.
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