In March 2005, a westbound local crosses the Rio Grande as it heads out of El Paso on Main 1. In a couple hours, it will return on Main 2 as an eastbound. Standard operating procedure is for westbounds to operate on Main 1, while eastbounds use Main 2. The two main tracks, which use separate rights of way to pass through the mountains west of the Rio Grande, converge onto a common right of way near Anapra, a couple miles to the west.