Showing every single mile of I8 Westbound Between Casa Grande AZ to San Diego CA.It starts out going down through the Arizona desert to Gila Bend,Dateland,Welton.Then though a small mountain range in which the westbound lanes crossover the eastbound lanes.then in Yuma then into California.Then travels across the Algodones Dunes just above the USMexican Border.If fact you will see the fence after passing through the Algodones Dunes.Then on to just south of El Centro.On to Ocotillo into the mountains.Then going through Cleveland National Forest into Alpine.Then down into El Cajon and La Mesa.Finally on to San Diego along Hotel Circle.Then down the I5 where you see downtown and a dramatic finish.