Map of construction project districts

Under Construction

I-66 Widening

From Route 15 in Haymarket to Route 29 in Gainesville

Area Maps

Project Photos

Project at a Glance

Begin Date
April 2014

Est Completion Date
August 2016

Cost
$73.5 million

Lengths and Limits
1.2 mi west of Rt. 15 to 1 mile east of Rt. 29 (approx. 4.8 miles)

Locality
Prince William

District
Northern Virginia

Contact
Christiana Briganti-Dunn, P.E., CCM
Design-Build Manager
703-259-2960
Jeffrey S. Austin (Shirley Contracting, LLC)
Project Manager
703-668-0288 ext. 25
Shirlene Cleveland, P.E.
Program Manager for Design Build Projects
703-691-6710

Construction Updates

(August 28, 2015) 

Overnight paving may be implemented on I-66 West between Catharpin Rd. (Rt. 676) and Old Carolina Rd. (Rt. 625) next week. No travel lanes will be closed for this work. Weather permitting, crews will work behind barrier between the hours of 8 p.m. and 6 a.m. for three consecutive nights beginning Tuesday, Sep. 1, and ending Friday morning, Sep. 4.

Noise wall construction along I-66 has begun. Initial construction is focusing on the foundations and posts. Noise wall construction will continue through the summer of 2016, with panel installation beginning in early 2016. Final aesthetic finishes associated with the wall are scheduled to begin in late spring 2016, ending in the summer of 2016.

About the Project

This project adds one HOV and one regular lane in each direction from Rt 29 in Gainesville to Rt 15 in Haymarket, improving traffic flow to and from Haymarket, western Prince William and eastern Fauquier counties. When complete in August 2016, drivers will have three regular lanes and one HOV lane in each direction for 25 miles, from I-495 to Route 15.

Other improvements include:

  • Adding a left-turn lane on the I-66 westbound ramp to Rt.15 (completed June 2014)
  • Reconstructing overpasses at Old Carolina Rd./S. Jefferson St. and Catharpin Rd. with 10-foot shared-use paths (scheduled for Spring 2016 completion)
  • Intelligent Transportation System (ITS) components for managing traffic volume, improving flow and enhanced incident response
  • Overhead sign structures
  • Utility relocation
  • Storm drainage and storm water management facilities
  • Retaining walls, sound barriers, roadway lighting on the two overpasses
  • 12-foot paved shoulders

Estimated Costs
Preliminary Engineering $2.4 million
Right of Way $800,000
Construction $70.3 million
Total: $73.5 million

Schedule
Design approval - 2011
Award Design-Build Contract - August 2013
Begin construction -  April 2014
Complete construction - August 2016

Traffic Impacts

Motorists can expect lane closures during off-peak hours as well as occasional nighttime single-lane closures.

There are also certain activities for which there will be full stoppages of traffic: bridge beam erection, partial demolition of Catharpin Road bridge, and ultimately complete demolition.

After the Old Carolina Road bridge is complete in the spring of 2016, temporary lane closures and flagging operations at the approaches of the bridge will affect local traffic on Old Carolina Rd/Jefferson St.

I-66 widening typical section

Resources

 

PDFs

Jefferson St/Old Carolina Rd bridge demolition meeting presentation (August 12, 2014)
"Pardon our Dust"
meeting presentation (May 8, 2014)
Draft environmental document (Categorial Exclusion)
Air quality analysis report
Noise analysis report , noise abatement design report and soundwall treatment samples 
Cultural resources survey report  
    Appendix A | B | C | D

Public hearing brochure (July 2011) and comments summary and responses
Project plan sheets (5MB)

State Project Number: 0066-076-003, P101, RW201, C501, B674, B675 Federal Project Number: NH-5A01(194)  
UPC: 93577

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Page last modified: Aug. 31, 2015