WALKING ON A HIGHWAY IS NOT SAFE ! While walking is the best exercise, where you walk is also extremely important. Impaired and distracted drivers are by far the greatest danger when walking on the highways. BREATHING CARBON MONOXIDE that comes from the exhaust of the cars and trucks can not be very good for your health either. In my book Miles From Home I talk a little bit about the hazards of walking on the highways. It seems there…..