Two-Lane Highway Passing


 * 1) Two-Lane Highway  Passing
 * 2) Passing in oncoming lane
 * 3) Desire to Pass (Oncoming Lane)
 * 4) When will a vehicle attempt to pass a vehicle in front of it?
 * 5) Constraints governing whether a pass will be initiated
 * 6) How a potential passer executes its passing maneuver?