Have not been to Baja California Norte or Sur but here is some good info. you should know:
http://users.keyway.net/~lroberts/HTML/tips.html (Scroll down page until get to info. on baja)
Also, this which is very good. Has info. on the highway.:
http://www.baja.com/cabobob/bajahwy.htmDon't forget to take plenty of water and a cellular phone. Satellite phone would be better but they cost more.
Info. on cellular phones
QUOTE
one can travel the 1000 miles of its length and wherever there are a reasonable number of people, there is service. Got to admit though there are lots of miles without service, but there are lots of miles without people also.