A—Buses only B—No Parking C—No Standing D—Police Cars Only E—No U-Turn F—No Admittance G—No Entry By This Door H—One Way Street I—One Lane Bridge J—Admission By Ticket Only K—Admission Free L—Keep Away M—House To Let N—Keep Order O—Wet Paint P—Line Up For Tickets Q—No Posting Of Signs R—Seat By Number S—Wheelchairs Only ______公交专用道______对号入座