A —No parking in front of this gate J —No entry B —Guest's car park K —Pedestrian crossing ahead C —Dangerous bend L —Peak hours only D —Diverted traffic M—Please drive carefully E —Limited parking N —Road closed F —Low bridge ahead O —Speed limit of 48 kmh G —New hours of parking control P —In case of fire, stay in vehicle H —Entry to motorway Q —One way I —Parking for taxis only Examples：(H)高速入口(K)前方人行横道