Clearing Intersections
Why?
Keeps you alive
When stopped in traffic
Why?
Have an escape route
Count one two three after vehicle ahead has started to move
Why?
Keeps you away from billboards
Four to six seconds following time for speeds up to 30mph, 6 to 8 seconds for speeds over 30mph
Why?
Buys time
Eight to twelve seconds eye lead time
Why?
Centers car in traffic lane