Recently Completed: Rippon Boulevard and Blackburn Road Traffic Signal in Prince William County

Cost and schedule ►

Public outreach ►

This project installed a new traffic signal at the intersection of Rippon Boulevard and Blackburn Road. 

The project’s other improvements included:

  • Two Accessible Pedestrian Signal crossings
  • Americans with Disabilities Act (ADA) curb ramp upgrades
  • Upgraded concrete island at northwest corner of intersection with pedestrian cut-thru and new crosswalk across southbound Blackburn Road slip ramp to westbound Rippon Boulevard
  • Right- and left-turn lanes along eastbound and westbound Rippon Boulevard
  • Flashing yellow arrows for left turns from Rippon Boulevard to Blackburn Road

At the intersection, Rippon Boulevard averages 11,000 vehicles a day and Blackburn Road averages up to 6,800.

Estimated Costs
Preliminary Engineering - $445,000
Right of Way Acquisition and Utility Relocation - $40,000
Construction: $639,000
Total: $1.1 million

This project was financed with federal and state funding.


This project aimed to improve pedestrian and driver safety as well as operations at the intersection. 

Major Milestones 

Notice of Willingness to Hold Public Hearing - February 2017
Notice of "De Minimis" Impacts - March 2017
Public Information Meeting - December 2017
Design Approval - November 2018
Begin Right of Way Acquisition - February 2019
Begin Construction - April 2020
Traffic Signal Activated - August 2020
Final Completion - September 2020


Contact Info:

Jessica Paris, P.E.
Traffic Engineering

Other relevant links:

Notice of De Minimis Impacts - March 2017

Notice of Willingness to Hold Public Hearing - February 2017

Geometric Sheet - January 2017

Right of Way Sheet - November 2016

Signal Plan - October 2016

Signal Warrant Study - July 2014

Previous Meetings >>

Phase: Recently Completed

UPC: 107405, 110896

State ID: 0638-076-203, P101, R201, C501; 9999-96A-234, N501

Federal ID: STP-076-9 (030), STP-5A01 (986); NHPP-TS09 (291)

Lat/Long: 38.618950, -77.275922

Locality: Prince William

Page last modified: Feb. 25, 2021