Starting today, the Maryland Department of Transportation has activated 18 ramp meters along I-270 South.  Full details below on what to expect below courtesy of MDOT:

Ramp metering is a part of the I-270 Innovative Congestion Management (ICM) project designed to help reduce congestion on this busy interstate. The system uses sensors that detect real-time traffic conditions and activate traffic signals, when needed, to more efficiently control how traffic merges onto I-270. This will allow motorists to merge safely onto I-270 while minimizing delay and reducing congestion. When ramp metering is in operation:


Drivers in the area will begin seeing flashing yellow lights on the entrance ramps today when merging onto I-270. The lights are expected to become fully operational next month. The ramp lights are apart of the I-270 Corridor Innovative Congestion Management project that Governor Larry Hogan announced back in 2016.

According to MDOT, once the ramp meters are fully operational, the signal will allow one car at a time to go from each lane, optimizing traffic flow onto I-270.


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