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Interstate 77 Safety Improvements - Carroll County

Project Photos
Project at a Glance
Begin Date
Spring 2014

Est Completion Date
Fall 2016

Under Construction

$7.5 million

Lengths and Limits
Mile marker 0-15

G4S Technology, Inc.



Chris McDonald

Media Contact: Jason Bond

What was done?

The purpose of this project is to reduce the severity and frequency of crashes during reduced visibility conditions on the fog-prone section of Interstate 77 in Carroll County on Fancy Gap Mountain.

The project installed various signs and devices at locations on both the northbound and southbound lanes of I-77 between mile marker 0 at the North Carolina state line and mile marker 15 to manage traffic and alert motorists of reduced speeds during reduced visibility conditions.

Devices installed included 

• Variable speed limit signs
• Electronic message signs
• Additional traffic cameras
• Additional weather and visibility detection stations

VDOT installed this additional technology to communicate to the public, but we still need drivers to change their behavior and drive to those conditions as foggy conditions will continue to create hazards for drivers.

Project Milestones

July 2011 to December 2014
Power and communications infrastructure installed
VDOT installed $6.3 million in infrastructure improvements to support the new traffic safety improvements.  This included 17.5 miles of utility conduit and fiber optic cable and a 15-mile electric power grid.

February 2014
Contract awarded for new traffic safety system
After this design-build contract was awarded work began to design a new safety system on I-77 in spring 2014.  Construction began in spring 2015.

Spring 2015
24 new traffic cameras available
New traffic cameras went live on  However, the cameras may be down periodic during summer 2015 as signs are connected into the power and communications grid.

Summer 2015
Installation of 76 new signs underway
Variable speed limit signs, metal signs, electronic message boards will be installed. Two large overhead message boards will be put in place that will span the interstate, one located on southbound I-77 at mile marker 7.6 and the other at mile marker 2.1 northbound.
Fall 2016
New variable speed limit system operational

Public Meetings

VDOT held a citizen information meeting on the project in May 2012 and a public information meeting in July 2015.

Click here for the presentation given at the July 2015 meeting.



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Page last modified: Nov. 1, 2018