Map of construction project districts

Under Construction

Route 29 at Route 666, Culpeper County

Construction of Interchange

Area Maps

Project at a Glance

Begin Date
May 2015

Est Completion Date
August 18, 2017

Under construction

$18.7 million construction contract; $35.3 million total estimate

Lengths and Limits
0.72 mile; from 0.09 mile west of Rogers Road to 0.15 mile east of Cyclone Way

Chemung Contracting Corp. of Mitchells



Wade Smith

Construction Schedule

May 2015
Construction start

June 2015 – October 2015
Utility, shoulder and bridge construction work will require intermittent lane closures.

August 2015 – March 2016

Roadway widening and reconstruction will reduce speed limits on Routes 666 and 29.

April 2016 – September 2016

Ramp construction on east side of interchange will shift traffic from Poor Farm Road.
Bridge work on Route 666 will be completed and traffic will shift to the bridge.

October 2016 – March 2017
Construct ramps on west side of interchange and remove existing signals.
Temporary signal installed at Cyclone Way and Route 666.

March 2017 – July 2017
Traffic switch onto ramps and temporary signal removed.
Construct new Poor Farm Road and install final pavement and permanent signs.

August 18, 2017
Estimated completion date

Project Purpose

The purpose of this project is to replace the existing at-grade intersection of Routes 29 and 666 with a diamond interchange to improve safety and capacity.

In 1970, when the portion of Route 29 known as the Culpeper Bypass was widened to four lanes, a diamond interchange was envisioned for future construction at this intersection. This project became a priority in 2008 with the opening of Eastern View High School and the associated increase in vehicle, pedestrian and bicycle traffic.

A 2009 interchange study and an interchange justification request, prepared in 2011, explored four different interchange designs: diamond, partial cloverleaf, single-point urban and roundabout. The diamond interchange was recommended due to its lowest initial cost, shortest construction period, flexibility for future modifications and familiarity to motorists.

Route 666 carries approximately 5,600 vehicles per day through the current intersection.

What is Proposed?

Construction of the new interchange will include raising Route 666 to an overhead crossing of Route 29 and widening the roadway to four lanes divided by a 28-foot raised median. Bike lanes will be added on both sides of the road, as well as a five-foot-wide sidewalk on the south side and a 10-foot-wide shared use path on the north side.

Traffic will be maintained on the existing roads during the first phase of construction, as the westbound portion of the new Route 666 roadway is built. In the second phase, traffic will switch to the new roadway to allow for demolition of the existing roads and construction of the new eastbound half of Route 666 and its ramps. 


Project Costs

The latest estimated project costs from the 2012-17 Six-Year Improvement Program:

Total Cost: $35,335,038

Design and Engineering: $4,276,509

Right of Way Acquisition and Utility Relocation: $6,347,904

Construction: $24,710,625

This project will be financed using federal funds.


Aerial diagram of proposed interchange Adobe Acrobat PDF (PDF, 18.9MB)

Aerial diagram of proposed interchange (JPG, 1.73MB)

Aerial graphic of current intersection Adobe Acrobat PDF (PDF, 18.5MB)

Aerial graphic of current intersection (JPG, 1.58MB)

News release: CTB Awards Rt. 29-666 Project in Culpeper
Jan. 14, 2015


Materials from the August 10, 2011, public hearing:

Public Hearing Brochure Adobe Acrobat PDF (PDF, 248 KB)

Public Hearing Comment Sheet Adobe Acrobat PDF (PDF, 70.7 KB)

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Page last modified: June 29, 2015