Watch Your Step (1922)

Elmer Slocum has just served a jail sentence for speeding On his first day of liberty he encounters a physician whose car has broken down and offers to take him to his patient he is pursued by motorcops for speeding wrecks his car in a closed street and knocks down and believes he has killed a policeman Elmer boards a freight train and makes his way to a small town in Iowa where he meets Margaret Andrews