The Maryland Department of Transportation State Highway Administration (MDOT HSA) has released additional information on the closure of the merge lane from the local lanes to the main lanes of northbound I-270 at Shady Grove Road, which is part of the next phase of the agency’s ramp metering project in Gaithersburg. The closure will support the installation of a ramp metering system at the I-370/MD 200 interchange, with paving and intermittent lane closures scheduled through summer 2025.

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The Maryland Department of Transportation State Highway Administration will implement periodic, temporary closures of the on-ramp from Oceanic Drive (Exit 32) to eastbound US 50/US 301 (John Hanson Highway) approaching the Chesapeake Bay Bridge beginning Friday, May 16, as part of its continuing efforts to improve traffic flow and safety during peak summer travel times in the Broadneck Peninsula in Anne Arundel County.

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