In addition to vehicles described in WAC 468-270-085, high occupancy vehicles described in WAC 468-510-010 are exempt from paying tolls. On SR 167 motorcycles and vehicles with two or more occupants are high occupancy vehicles. All other vehicles using the SR 167 HOT lanes must pay the required toll. All toll-paying vehicles must have a transponder and a valid toll account.
Wash. Admin. Code § 468-270-105