DOT Transportation Engineering Projects


MD355 Flash Bus Rapid Transit (BRT)

The MD 355 BRT project is advancing through preliminary engineering.

bus iconTransit Project

Project Manager:
Corey Pitts
Division of Transportation Engineering
Transportation Planning and Design

Project Overview

The MD 355 Flash BRT service, identified in the Countywide Transit Corridors Functional Master Plan, will provide upgraded bus service along MD 355 (Wisconsin Avenue/Rockville Pike/Frederick Road), bringing fast and reliable transit service in dedicated lanes, where feasible, to this busy corridor. The project will create new connections and support growth and redevelopment at key activity centers along the corridor including in downtown Bethesda, White Flint, Rockville, and Gaithersburg.

Project Information

Flash service on MD 355 between Bethesda and Clarksburg will be designed to meet the needs of residents, businesses, and visitors along this busy route. This project is part of the Countywide Transit Corridors Functional Master Plan.

There are several major existing and planned activity centers along the MD 355 corridor that have importance for the entire county and region. Flash will improve frequent transit connections between the corridor and destinations within Montgomery County and other parts of the region.


Routes / Upcoming Projects:

Related Projects:

Project Status

MCDOT completed Planning and Conceptual Engineering of the MD 355 BRT in 2019, which concluded with a preference expressed by the County Council Transportation and Environment (T&E) Committee for an alternative that would provide for a mostly median-running BRT between Bethesda and Clarksburg. The project has now entered Preliminary Engineering, which will run through the end of 2022. In this phase, MCDOT is developing detailed design plans, refining the conceptual engineering, identifying ways to enhance performance and reduce costs and impacts, and developing detailed cost estimates. Concurrently, MCDOT is undergoing required federal and state environmental processes. MCDOT anticipates the adoption of an implementation strategy in early 2022.

photo of project timeline


Corridor Advisory Committee

Corridor Advisory Committees were created in 2015 as part of the Montgomery County Department of Transportation's (MCDOT) planning project for Bus Rapid Transit (BRT) on the MD 355 corridor from Bethesda to Clarksburg. The committee members are residents, business owners, and other stakeholders along the corridor. CAC meetings allow MCDOT to both give updates on the project to members of the community and to gather feedback from stakeholders along this portion of the corridor.

For more information on this corridor, see the Countywide Transit Corridors Functional Master Plan.

Meeting Documents


About Corridor Advisory Committees (CAC)

Corridor Advisory Committees follow Master Plan guidance as approved by the Montgomery County Council to form advisory groups comprised of residents, business owners and other relevant stakeholders to make recommendations to the County on the design, construction and proposed station locations for the transit corridor. All CAC meeting documents can be found in the Documents section of this page.

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The full project is funded through final design. Construction funding has been recommended for the segment of the project between Montgomery College – Rockville and Montgomery College – Germantown.