Mexican Federal Highway 25
Federal Highway 25 is a toll-free part of the federal highways corridors. It starts at Fed. 45 in Viñedos Rivier, Aguascalientes, runs east, then runs northeast to San Marcos, Zacatecas, just past Loreto, Zacatecas.
The section of Fed. 25 from Crisóstomos to San Marcos within Zacatecas carries the legal only designation of Federal Highway 66.
Route description
Fed. 25 begins at an interchange with Fed. 45 in Viñedos Rivier, just north of the city of Aguascalientes. The highway runs in an east-west direction for approximately its first kilometer then turns northeast near Ex-Viñedos Guadalupe then enters Puertecito de la Virgen, intersecting SH 152 before leaving the town. Fed. 25 then enters the town of Macario J. Gómez, intersecting SH 65 and SH 85 in the town. As the highway leaves Macario J. Gómez, the route transitions from a four lane divided highway to a two lane rural road. Fed. 25 turns back into a more east-west direction in General José María Morelos y Pavón before turning northeast again near Jaltomate. Between Villa Juárez and Ciénega Grande, the highway briefly enters the state of Zacatecas before re-entering Aguascalientes at Lázaro Cárdenas. In Ciénega Grande, Fed. 25 intersects Fed. 22, serving as that highway's eastern terminus. Northeast of Ciénega Grande, the highway enters Crisóstomos then leaves the state of Aguascalientes into Zacatecas.
Zacatecas
Fed. 25 enters Zacatecas at Crisóstomos, traveling in a more direct north-south direction to the town of Loreto. In Loreto, the highway briefly turns east and runs along a pair of one-way streets from SH 234 and Álvaro Obregón Sur. Leaving Loreto, Fed. 25 turns northeast, traveling to San Marcos, where the highway ends at an intersection with SH 186.