Most who visit Big Bend drive a personal vehicle. Public transportation is available, but not always most convenient. From most cities of origin, there is a fastest way to get to the National Park Area, as well as alternate routes that sometimes offer more scenery and less stress than the relentless pace of US 90 and Interstates 10 and 20.
There are several routes to the Big Bend from El Paso. Take the direct route, or take some time and see the sights of West Texas on the way.