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Variable speed limit signs technology improving safety on I-76 in Philadelphia, PennDOT sayIn 2021, PennDOT installed dozens of variable speed limit signs on the 14-mile stretch of the Schuylkill between U.S. 422 and U.S. 1. PennDOT also installed queue warning systems to let drivers ...
TEXAS DEPARTMENT OF TRANSPORTATION The TxDOT El Paso District is the first in the state to implement and activate a variable speed limit (VSL) to address congestion, weather, construction, and other ...
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