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SCDOT Press Releases

Apr 12
I-20 Westbound US1 and SC6 Ramp Detour Notice

​The I-20 Westbound Local Lane between mile marker 61 and 54 will be closed at night on Monday, April 12th, 2021. All traffic traveling along I-20 Westbound will be directed into the through lane and thus will not have access to Exits 55 and 58. 

The On-Ramps at US1 and SC6 will also be closed. Motorists traveling along I-20 Westbound wishing to utilize Exits 55 and 58 will continue along I-20 Westbound to exit 51. 

At this point, they can enter I-20 Eastbound and utilize exits 55 and 58. Motorists wishing to enter I-20 Westbound at Exit 55 will be directed along the detour route along Two Notch Road to Longs Pond Road where they can enter I-20 at Exit 51. Any traffic wishing to enter I-20 Westbound from US1 will be directed along the detour route down Dooley Road to Two Notch to Longs Pond Road to utilize Exit 51 Ramps.


The I-20 Ramp closures at SC6 (Exit 55) and US1 (Exit 58) will occur:

  • Monday April 12th, 2021
  • From 8:00 PM, until 6:00 AM the following day

    Message board signs along US1, SC6, Longs Pond Road, and I-20 will display detour directions.

    Motorists are advised to used caution and plan accordingly in case of delays.

    The road work is part of a four-phase project to widen an 11-mile stretch of I-20 in Lexington County. The project extends from mile marker 60 near US 378 to mile marker 49 at Longs Pond Road. Upon completion, the project will add a third inside lane in both directions aimed at reducing traffic congestion. It is expected to be completed in the summer of 2021

    Motorists can use SCDOT's 511 Traveler Info to check road conditions. For more information concerning this project, the public may contact SCDOT Resident Engineer John Burns at (803) 530-8798 or at

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