text: While people with high experience may think they are exempt but they are still human. The average reaction time to visual stimulus is 0.25 sec. Drivers spend so much more than that looking at their phones by the time they realize what's happening it will be too late. To prevent this there are several alternatives one could do if it is necessary to use their phone. You should finish call or text conversations before driving. So you're not constantly checking the map make sure you know you location and how to get their b efore getting in. Even if you haven't finished a conversation just set your phone to do not disturbed so your not slightly distracted.