Question: are all lanes of 66 hov?
Answer: Hybrid Rules on Interstate 66: Inside the Beltway, all lanes are HOV-2 from 5:30 - 9:30 a.m. eastbound, 3 - 7 p.m. westbound, Monday through Friday. Outside the Beltway, the left lane is HOV-2 from 5:30 - 9:30 a.m. eastbound, 3 -7 p.m. westbound, Monday through Friday.