Mt. Pleasant drivers could see traffic delays from gas line project VIDEO: Gas line installation expected to cause delays in Mount Pleasant By Summer Huechtker | January 14, 2021 at 5:25 AM EST - Updated January 14 at 8:58 AM MOUNT PLEASANT, S.C. (WCSC) - Dominion Energy is planning to install new gas lines along Mathis Ferry Road, which could cause delays for Mount Pleasant drivers in the coming weeks. Drivers in the area may already have noticed wooden fenced areas and flags along the side of the road between Bowman Road and Wingo Way. Dominion Energy spokesman Paul Fischer says that is the first preparation for the work along the four-mile stretch of Mathis Ferry Road.