Starting next week, drivers heading to the Eastern Shore over the Chesapeake Bay Bridge will encounter a new automatic lane closure system during two-way traffic on the westbound span of the bridge. The system will roll out March 6 on the Western Shore near U.S. 50/U.S. 301, the Maryland Transportation Authority announced. This system is aimed at improving safety for motorists and road crews by using overhead signals and automatic gates to close lanes, instead of barrels.