Low Speed With Open Access Roads
Low speed/open access roads, known as Autopistas or Carreteras, conform the majority of the road network. Autopistas are a divided highway with 4 or more lanes. Most of these Autopistas were single carriageway roads converted into dual carriageway by building an adjacent road body next to the existing one. Carreteras are free and in most cases two-lane highways that cover almost all of Mexico. These roads have interchanges at major roads, but most intersections are at-grade. The maximum speed limit is 100 km/h (62 mph) for cars and 95 km/h (59 mph) for buses and trucks.
Read more about this topic: Mexican Federal Highway
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