Flash is a bus rapid transit network that began service on October 14, 2020. The first route runs between Silver Spring and Burtonsville along U.S. Route 29. Additional routes are in development and will likely run along MD 355 between Clarksburg and Bethesda and MD 586 between Rockville and Wheaton. Flash has dedicated stops with prepayment machines and operates in a mix of mixed-traffic and dedicated lanes using articulated buses equipped with Wi-Fi and USB ports. It is the second BRT system in the Washington metropolitan area and the first in Montgomery County.
