Diverging Diamond Interchange Opening at I-95 Exit 140 in Virginia

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Diverging Diamond Interchange | I-95 Exit Guide

The Virginia Department of Transportation (VDOT) will open the new diverging diamond interchange over Interstate 95 at Exit 140 (Courthouse Road) in Stafford County on Saturday, December 7.

The interchange opening is a major milestone in the $195 million project to expand capacity and improve travel in Stafford County’s Courthouse Road area.

Diverging Diamond Interchanges (DDIs) lower the number of conflict points between vehicles by eliminating left turns. The new interchange briefly shifts vehicles on Courthouse Road to the other side of the road on new overpass bridges, which allows drivers to merge left onto the I-95 northbound and southbound ramps without stopping at a traffic signal.

On Saturday, December 7, crews will open the new interchange to traffic, with assistance from Virginia State Police and local law enforcement. Opening the interchange early Saturday will allow crews to take advantage of lighter traffic volumes.

In addition to the interchange opening on December 7, motorists can expect:

  • On eastbound Courthouse Road, all three travel lanes will open in the diverging diamond interchange
  • At Route 1, a new four-lane Hospital Center Boulevard extension will open west of Route 1 and connect directly to the diverging diamond interchange on Courthouse Road through a new Wyche Road intersection
  • On westbound Courthouse Road, all three travel lanes will open in the diverging diamond interchange, but the road will narrow to two westbound travel lanes just before Austin Ridge Drive
  • Courthouse Road west of Austin Ridge Drive will remain reduced to one lane in each direction until late December 2019, when all four lanes will open between the I-95 interchange and Ramoth Church Road/Winding Creek Road

I-95 Southbound Exit Ramp Detour

On December 7, three of the new Exit 140 interchange ramps will open, but the I-95 southbound exit ramp to Courthouse Road will remain in a detour pattern until late December 2019.

Motorists traveling from I-95 southbound to Courthouse Road should follow the posted detour signs to access the new Courthouse Road.

Traffic will be detoured for several weeks to allow crews to build the new exit ramp and raise its elevation to match the height of the new diverging diamond interchange and I-95 overpass bridges. Courthouse Road traffic is currently traveling in the location where this construction work must occur, once the ramp is detoured on December 7.

What Motorists Can Expect

Message boards will be posted beginning the week of December 2 on I-95, Route 1, Courthouse Road and other connecting roads to alert travelers to the Dec. 7 interchange opening.

Numerous signs and pavement markings will guide drivers through the diverging diamond interchange.

All work has been scheduled weather permitting.


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