a) road signs, pedestrian crossing, go on the sidewalk, use seatbelt, check brake lever, safety rules, swim on a launch, to be careful on roads, my brother's funny nickname, red double-deck bus
b) go by car
, ride a bike
, go by bus
, children under 12
, go on foot
, arrive by 6-hour train
, get out of a car
, drive with the speed 100 km per hour
, reach a hotel
, the first turn is on the right, means of transport