Yes, electric cars go on HOV lane in most of the US states toll facilities and the District of Columbia to avail toll exemption. Every state has their own regulations for electric vehicles to access HOV lanes. Refer to State Policies Promoting Hybrid and Electric Vehicles for more details. 

Use EV Trip Planner to see all the EV charging stations and toll plazas to your destination.

EV Trip Planner

Have EV fleet? Integrate EV Trip Planning API for tolls and charging information on a map of your choice.

See also

• Do electric cars pay tolls in California?

• What is Port Authority Green Pass Discount Plan?