652.While driving, upon seeing a railroad crossing sign or marking, the drivershould immediately reduce speed to (A) below 15 km/h; (B) below 20 km/h; (C)below 30 km/h.

653. For a yellow “No Parking” line, the prohibited parking time period is: (A) From7:00 a.m. to 8:00 p.m. daily (B) From 7:00 p.m. to 8:00 a.m. (C) 24 hours aday. If there is any need to extend or shorten the restriction period, it must beclearly indicated with road markings, signs, or additional plates.