May. Also, be wary of high altitudes' effect on your physical performance. Expect it to take several days to adjust. You may be short of breath, possibly nauseous, possibly have headaches, possibly need a lot of sleep. It helps if you drink a lot of water when you are making big changes in altitude. Public Transportation Local Transportation.
Buses are a very popular form of transportation in Mexico.
Dependability, however, is another issue. In the end, it is probably best to try it yourself and adjust accordingly. Another option if you are in one of the larger cities of Mexico is the use of taxis, which seem to be economical and abundant and a more popular form of transportation than in the United States. If you are on one of the smaller campuses, neither option may be suitable and other arrangements will need to be made. Travel within Mexico.