Recently Completed: Route 1 Widening in Prince William County

Cost and schedule ►

Public outreach ►

Project Limits

Route 1 was widened from four to six lanes between Marys Way and Annapolis Way. 

The project also included:

  • A continuous ten-foot-wide shared-use path along southbound Route 1 and a continuous six-foot-wide sidewalk along northbound Route 1
  • Additional turn lanes at the Route 1 and Occoquan Road intersection
  • New median on Occoquan Road from Route 1 to just south of Horner Road
  • New Route 1 bridge over Marumsco Creek

Route 1 averages 39,000 vehicles a day within the project limits. 

Estimated Costs
Preliminary Engineering: $11 million
Right of Way Acquisition and Utility Relocation: $90 million 
Construction: $59 million
Total: $160 million

The project was financed with federal, state and Prince William County funding.

Benefits 

This project aimed to reduce congestion and improve safety for drivers, bicyclists and pedestrians, as well as enhance access to the Woodbridge Virginia Railway Express kiss-and-ride facility.

Major Milestones 

Design Public Hearing - March 2011
Begin Construction - May 2016
Northbound Route 1 Traffic Shift at Marumsco Creek - September 2019
Southbound Route 1 Traffic Shift between Occoquan River and Marumsco Creek - December 2019
Northbound Route 1 Traffic Shift between Marumsco Creek and Annapolis Way - May 2020
Northbound Route 1 Traffic Shift from Mount Pleasant Drive to Just North of Marumsco Creek - July 2020
Six Lanes of Route 1 Open to Traffic - October 2020
Final Completion - December 2020

Resources

Other relevant links:

Prince William County Board Resolution for Undergrounding Utilities - December 2013 

Environmental Assessment Reevaluation - July 2011

Finding of De Minimus Impact - May 2011

Air Quality Analysis, Noise Impact Analysis, Environmental Assessment, Finding of No Significant Impacts - July 1999 to January 2000

Previous Meetings >>

Phase: Recently Completed

UPC: 14693, 105798, 94102, 100938

State ID: 0123-076-F29, P101, R201, C501, B604, B605; 0001-076-171, R201, C501; 0123-076-004, C501, B606; 0123-76-080

Federal ID: STP-111-1 (114), STP-123-9 (002), STP-5401 (621), NHPP-5A01 (644)

Lat/Long: 38.658806, -77.249285

Locality: Prince William

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Route 1 and Annapolis Way intersection looking towards southbound Route 1 - January 2020
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Route 1 looking southbound - January 2020
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Route 1 looking southbound - January 2020
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Occoquan Road looking towards Route 1 - January 2020
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New northbound section of bridge over Marumsco Creek prior to opening - September 2019
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June 2019
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June 2019
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October 2018
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October 2018
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October 2018
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August 2018

Page last modified: Oct. 28, 2021