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I-20 eastbound lane shift coming Friday

Posted: July 9, 2013 6:09 p.m.
Updated: July 10, 2013 5:00 a.m.

Kershaw County residents who commute to Columbia, or vice versa, will notice a major traffic shift on I-20’s eastbound lanes Friday in northeast Richland County. Beginning Friday, the new traffic shift will affect eastbound I-20 from I-77 to Spears Creek Road. This shift will not affect westbound traffic.

The next phase of the project is to remove and reconstruct the existing eastbound concrete lanes and replace the eastbound bridge over Alpine Road. To do this, traffic will be shifted onto the newly constructed inside lanes.

This shift will split the eastbound motorists into two separate lanes of traffic bordered by concrete barriers. The right lane will travel adjacent to the eastbound lanes and will be able to access all existing exits. The left lane will travel adjacent to the westbound lanes and will bypass the Clemson Road exit, but will be have access to the Spears Creek Road exit.

This means motorists planning to exit at Clemson Road should choose the right lane when the shift begins past the Alpine Road overpass interchange. The traffic split will occur at approximately the 77 mile marker and ends at the 83 mile marker.

Advance signage, roadside message boards, and overhead message boards will be in place to guide motorists though this traffic shift. In addition, highway advisory radio messages will be broadcast with this information, and a visualization of the new traffic pattern is available on SCDOT's website,

Motorists are advised to use caution when traveling through the work zone. The speed limit will be 55 mph along the traffic shift. Wide loads traveling I-20 eastbound through the work zone are advised to use Percival Road as an alternate route.

This traffic pattern will be in place for approximately three to four months. Once the eastbound lanes are complete, a similar traffic shift will occur in the reverse direction to remove and reconstruct the westbound lanes.

The traffic pattern shift is part of innovative planning by the contractor to expedite the project, originally estimated at three years, to 600 days (approximately 20 months).

The I-20 construction project consists of widening and reconstruction of approximately 6 miles of the existing four-lane concrete pavement to six lanes, installation of noise barrier walls, widening of the westbound bridge over Alpine Road and replacement of the eastbound bridge over Alpine Road. The S.C. Department of Transportation (SCDOT) awarded the project to Zachry Construction after bidding 600 days for all work to be completed by May 24, 2014.

To date, the work completed includes widening of the westbound I-20 bridge over Alpine Road and the construction of the two inside travel lanes.

SCDOT reminds motorists of the “Steer It and Clear It” law which states that if a driver of a vehicle is involved in a crash resulting in only damage to a vehicle, and if that vehicle is obstructing traffic, the driver of the vehicle shall make every reasonable effort to move the vehicle out of the travel way.

For more information concerning this project, the public may contact SCDOT District 1 Construction Engineer Bryan Jones at (803) 737-6660.

(This information provided by SCDOT.)


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