Residents get first look at plan for Brentsville/parkway interchange

Image provided by Prince William County Department of Transportation

Residents of Prince William County’s Coles District got their first look at a new $55 million interchange county leaders are planning to build at Prince William Parkway and Brentsville Road, near Manassas. 

Once the interchange is in place, two signal lights on Prince William Parkway, at Brentsville and Dumfries roads, will be removed.

Rick Canizales, the county’s transportation director spoke about an interchange project in front of about 50 people who attended a town hall meeting hosted by Supervisor Yesli Vega at the Lake Jackson Volunteer Fire Department on March 12. 

The approved design for the interchange would make the road safer, reduce congestion and prepare the road for service for the next twenty years, said Canizales. The full cost of the project is being covered by a grant from the Northern Virginia Transportation Authority (NVTA). The project is scheduled to be completed by 2023.

A public hearing about the project was scheduled for March 25, however, the meeting was canceled to social distancing measures instituted after the spread of the deadly coronavirus. Officials are now exploring the possibility of holding a virtual town hall meeting in place of the March 25 meeting.

“We will make that determination with Supervisor Vega’s input soon,” Canizales told Potomac Local News.

County officials describe the project:

The proposed concept will include the construction of two bridge(s) over Route 234, replacing the signalized intersections of Dumfries Road (Route 234 Bus) and Prince William Parkway (Route 294) /Brentsville Road.

The new bridges will provide free flow movements fo southbound Prince William Parkway (Route 234) to eastbound Prince William Parkway (Route 294), as well as westbound Prince William Parkway (Route 294) to southbound Dumfries Road (Route 234).

The delays currently experienced at the two existing signals on Prince William Parkway (Route 234) in both directions will be eliminated. The intersection of Prince William Parkway ( Route 294) at Bradley Cemetery Way will be converted to a continuous Green-T intersection that allows eastbound Prince William Parkway (Route 294) to be free flowing.

A signal will be activated to allow Bradley Cemetery Way left turns onto eastbound Prince William Parkway ( Route 294). Brentsville Road will be realigned with Dumfries Road (Route 234 Bus). Westbound Prince William Parkway (Route 294) will have free right turns towards the intersection with Dumfries Road (Route 234 Bus).

Brentsville Road will be rerouted to align with Dumfries Road (Route 234 Bus) and the new intersection with the ramp from southbound Route 234 will operate as another continuous Green-T intersection with northbound Brentsville traffic free-flowing.

A signal will be activated to allow southbound Route 234 left turns onto northbound Brentsville Road/Dumfries Road (Route 234 Bus).

The intersection of Bradley Cemetery Lane and Dumfries Road ( Route 234 Bus) will be signalized and will take ramp traffic to and from northbound Prince William Parkway (Route 234) The Route 294 to Route 234 existing Shared Use Path (SUP) [for runners, walkers, and bicyclists] will be rerouted thru the interchange and tie back to the existing SUP on the south side of Route 234.

A new SUP will be constructed along extended Dumfries Road (Route 234 Bus) to meet future SUP shown in the County Comprehensive plan along the west side of Dumfries Road (Route 234 Bus) at Bradley Cemetery Way.

Officials were set to give final approval for the project in May and award a construction contract in August. It’s unclear how the coronavirus might affect the timeline of the project.

The interchange at Brentsville Road is one of two new improvements that the county’s department of transportation is working on. The department will build a new $24.2 million quadrant intersection at Prince William Parkway and University Boulevard, near the George Mason University Science and Technolgy Campus, that it hopes will reduce traffic congestion and lead to fewer crashes there.

The department is also building a new $145 million diverging diamond interchange at the intersection of Prince William Parkway and Balls Ford Road.

2 thoughts on “Residents get first look at plan for Brentsville/parkway interchange

  1. What an awesome article on a real hammer and nails local issue. Looking forward to reading more from Jacob Mosser!

  2. The routing of the shared-use paths are much too circuitous, and the design does not provide for a future extension of the Rte 234 shared-use path to the west of 234 Business.

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