tell me using the number method

According to the US Federal Motor Carrier Safety Administration, at intersections, cross traffic may not obey: Speed limit Traffic control Pedestrian traffic Why is crossing an intersection at night with a large vehicle hazardous? Approaching drivers cannot assess length of vehicle Truck may not stop Bad weather conditions If there are no warning devices such as traffic signals, the FMCR require the following for safely crossing the railroad track: Listen Ascertain Stop All are correct When it is safe to do so, the driver may drive the CMV across the tracks without a change in what? Speed Gear Direction Drivers approaching a railroad crossing should always trust the warning devices. True False