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Other aspects of the project include a safety and enforcement program that will increase Virginia State Police presence and enable emergency responders to monitor live video feeds from cameras on the toll lanes. This will allow them to spot and respond to accidents faster, Ms. Rollison said.

“Anything to slow the road can be cleared faster so that traffic can move better,” she said.

Project funding will also go toward creating 3,300 new park-and-ride parking spaces in various lots.

NOTE: An earlier version of this story incorrectly stated the scheduled completion date for the HOV lanes