It originally began at West Colfax Avenue .
It originally exists for only brief portions near the Platte River and between Knox Court and Sheridan Boulevard in west Denver before reappearing west of Wadsworth Boulevard on its journey to Morrison .
It originally began at West Colfax Avenue , and exists for only brief portions near the Platte River and between Knox Court and Sheridan Boulevard in west Denver before reappearing west of Wadsworth Boulevard on its journey to Morrison .