Show how fast can you stop at 20 M P H CEI 13 RAKING DISTANCE ON CONCRETE PAVEMENT FT NO CHA NS 83 M i I 1 IN PACKED SNOW CHA NS REAR 64 CHA N LL WHEELS SO FT NO CHA NS OR C 55 FT CHA NS REAR WHEELS ft ON GLARE ICE C 0 CHA NS ALL WHEELS DISTANCES IN FEET 41 0 50 ISO at a speed of 20 miles an hour automobile stopping distance is 22 feet more than actual braking distance because it azes takes the average motorist three quarters of a second to react and apply brakes at 20 in p h a car travels 22 feet in that three quarters of a second the national safety council guide shows how weather conditions affect stopping dis UA ld M k ah u aa 11 |