ramp metering system

September 14, 2021 | Margaret Attridge

I-270 Ramp Meters Will Fully Activate on Wednesday

The Maryland Department of Transportation State Highway Administration announced that they are fully activating new ramp meters on I-270 in Montgomery County on Wednesday. The traffic control system, which will cover 23 ramps to southbound I-270 in Montgomery and Frederick counties, has been in the process of testing since late June. Drivers may have seen […]

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June 17, 2021 | Suzanne Pollak

State Begins Testing Ramp Metering Traffic Control System on I-270

The Maryland Department of Transportation State Highway Administration announced it is testing a new ramp metering system on the ramp from northbound MD 118 to southbound I-270 in Germantown and will add more flashing yellow signals on other I-270 ramps in the near future. The system uses sensors to detect traffic conditions in real time […]

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