Show How Hov 1 Fast Can an You Stop to at 20 M. M P. P H. H DISTANCE BRAKING DISTANCE oRY CONCRETE 41 ON CONCRETE PAVEMENT WET CONCRETE 48 FY I NO CHAINS ON PACKED SNOW CHAINS REAR WHEELS J CHAINS ALL WHEELS Ml 50 so FT r rNo No CHAINS OR CINDERS n. n CHAINS REAR WHEELS FT FL ON GLARE ICE CINDERS ON ICE CHAINS ALL WHEELS WHEEL 1 DISTANCES IN FEET I 0 25 50 75 At a speed of 20 miles an hour automobile stopping distance is 22 feet more than actual braking distance because it takes the tho average motorist three-quarters three of a second to react and apply brakes At 20 m m. m p. p li h. h a car travels 22 feet in that three-quarters three of a second The National Safety S-fety council guide shows how weather conditions stopping dis dis- dis I db-I |