One of my favorite drives in the country is I-15 between Devore, California and Las Vegas. I have driven that section something like 150 times in the last decade.
Megan Edwards (co-founder of RTA) has an alternative route from LA to LV.
Oh, in our production meeting today, the lead programmer thinks it is likely that we'll have the option to avoid travel on Interstate Highways, (on the RTA Maps program) by early Fall. Maybe sooner.
Mark