Are you into looking at maps? If you are, here is where we have been so far.
Frontera to Tampico on MEX 180
Tampico to Casitas (Costa Esmerelda) Veracruz on one of the worst roads ever
Casitas to Catemacos on another of the worst roads ever
This is from Mexico on the Road in- http://www.ontheroadin.com/gulfcoast/northerngulfcoast.htm
Our next destination is Coatzacaolcos! peace, Mimi