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Lane shifts, ramp closures in Tysons


Crews remove a Beltway bridge in Tysons in June.

The ramp from Route 123 to the Inner Loop will close Tuesday night, part of changes that will last for up to two years in connection with the high-occupancy toll (HOT) lanes project.

Officials said the new traffic pattern will require drivers to merge to the left on northbound 123 and make a left turn at a new traffic signal prior to the Capital One campus. New turn lanes will allow a dual left turn onto I-495 North. Officials warned that there may be additional delays, especially during peak times.

On Wednesday all four lanes of the Inner Loop will shift to the left over Chain Bridge Road. Once motorists cross, the lanes will shift back to connect with the existing Beltway. Drivers exiting to Tysons/Vienna should be prepared to encounter a two-lane ramp leading to a new traffic signal.

This weekend will be even worse, but at least that will be a temporary headache: Route 123 will be shut down under the Beltway from 9:30 p.m. Friday to 5 a.m. Monday, as crews demolish the old Inner Loop bridge. Be alert for detours and ramp closures in the area. Expect the Virginia Department of Transportation to release a time-lapse video like the one above at a later date.

From the Post's archives:

Even more delays for Tysons travelers

Keeping cool in Virginia's HOT lanes

Northern Virginia transportation plan update

By Michael Bolden  | October 12, 2010; 6:52 PM ET
Categories:  Congestion, Driving, Northern Virginia, Tysons Corner  
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Comments

What has not really been reported is that with this change, there will now be 3 full through lanes on 123 southbound....no pesky left lane closure as you approach the Beltway. So things were actually better for me than they had been the previous few days. Essentially, the 3 lanes shift to the right so the right through lane is actually in the merge lane from the loop ramp. The loop ramp is now signalized (the ramp gets its green when 123 south is stopped anyway to accomodate the NB 123 left turn). After you cross under the bridge, the 3 lanes shift back to the left.

I was worried that the lane closure and the signal would be a disaster, but the signal without the lane closure doesn't seem all that bad....because traffic doesn't have to merge and the signal can be synchronized with adjacent signals to minimize extra start/stop conditions.

We'll see how well this works in the afternoon tho!

Posted by: thetan | October 13, 2010 11:19 AM | Report abuse

I agree with the previous poster; I drove through this area an hour or so ago and traffic seem to be flowing just as well as it was before the ramp closures. Signage is a bit sketchy as is the usual with VDOT, but really it could be a lot worse.

I think these Route 123 ramp realignments have gotten a ton of press coverage this week. So why were the lane closures on the westbound Dulles Toll Road last week so under-covered by media? Hardly a blimp on any media station. The left lane closure at/prior to the Access Road slip ramp has a horrible effect on the westbound Toll Road traffic at both morning and afternoon rush. The congestion on 495 from Maryland is similar to that before the 495 South to Toll Road west ramp was widened to two lanes several years ago.

On a separate note, the right lane of this two lane ramp is now partially closed forcing an early merge that just exacerbates the delays. It appears that they closed off a portion of the right lane of the ramp just to park some construction equipment?

Posted by: xyv1027 | October 13, 2010 2:32 PM | Report abuse

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