jsippy73 Not driven I40 in CA to Ok area but have driven I10 New Mexico to I20 to DFW. It is open as noted, and has high speed limts. Highest is 80, mostly 75 to DFW. Permian Basin area does have a smell but not terrible. Not a lot to look at but steady open roads, not a lot of trucking. No BucEes is that is your thing, there are some on I 40