运输淡季?    Off Season?

道路外脚踏车车道?    Off-street Bike Lane?

路外停车场?    Off-Street Parking Lot?

单行道?    One-way Street?

道路内脚踏车车道?    On-street Bike Lane?

开标?    Open bid?

可运行速率?    Operating Speed?

行驶延日车数?    Operating Vehicle Days?

营业里程?    Operating-Mileage?

营运竞标制度?    Operation Bidding System?

路线经营权取得?    Operation Right?

车牌办识?    Optical Character Recognition (OCR)?

最佳含水量?    Optimum moisture content?

超高侦测器?    Over high detector?

总旅行速率?    Overall Travel Speed?

架空标志?    Overhead sign?

天桥?    Overpass?

业主?    Owner?