Dear Reader, Today we drove from the Gulf of Mexico to the Pacific Ocean, from sea level up to 3,300 ft and then back down to sea level. The roads were primarily two lane, sometimes potholed, and for the most part very crowded until we got past the large town of Tuxtla Gutierrez in the highlands, about halfway through our day’s travel. If the cost of tolls is any indication of the quality of the roads, today we spent $21 on tolls, yesterday we spent $40, and the day before, when we were bypassing Mexico City on those lovely roads, …