do not know when the extension to June 30, 2016 happened, but it happened: High Occupancy Vehicle (HOV) Lanes You need green plates though. The regular blue plates are not eligible, even if you have a PiP. The following vehicles have unrestricted access to HOV lanes, no matter how many passengers they are carrying : buses of all types licensed taxis and airport limousines (until June 30, 2016) emergency vehicles electric vehicles with green licence plates (until June 30, 2016)