Mexican Federal Highway 1
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|Carretera Federal 1|
|Carretera Transpeninsular Benito Juarez|
|Maintained by Secretariat of Communications and Transportation|
|Length:||1,711 km (1,063 mi)|
|North end:||I-5 at U.S.–Mexico border near Tijuana|
Fed. 1D in Tijuana
|South end:||Fed. 19 in Cabo San Lucas|
Mexican Federal Highway (carretera federal) No. 1 follows the length of the Baja California Peninsula from Cabo San Lucas (BCS), at the southern end to Tijuana (BC) in the north. The road turns into Interstate 5 at the international border with the United States south of San Ysidro, California.
Highway 1 is often called the Carretera Transpeninsular or Transpeninsular Highway and runs a length of 1,711 km (1,063 mi) from Tijuana to Cabo San Lucas. Most of its length is two lanes. Construction was completed in 1973. Its official name is "Carretera Transpeninsular Benito Juarez", or translated, Benito Juarez Transpeninsular Highway. It is named after one of Mexico's most revered heroes.
The road begins in the border city of Tijuana. It is bypassed from here to Ensenada by Mexican Federal Highway 1D, a toll road. Then, the road continues south past Maneadero. Much of it follows or passes near the route of Portola's march from Loreto to San Diego during the foundation of Spanish missions in Baja California.
Federal highways in Mexico are generally designated with even numbers for east–west routes and odd numbers for north–south routes. Numerical designations usually ascend southward away from the U.S. border for east–west routes, and usually ascend eastward away from the Pacific Ocean for North-South routes. Therefore, Federal Highway 1, due to its proximity to the Pacific Ocean, has the lowest possible odd number designation, and intersecting East-West federal routes usually conform to this pattern.
Kilometer markers track the distance along Mex 1 through Baja California in four segments. The first of these is the 109 km length from Tijuana to Ensenada, which is known informally as Mex 1 Libre to distinguish it from the parallel toll road. The second portion of signed road runs 196 km from Ensenada to San Quintín. The third segment comprises 128 km from San Quintín to Bahía de los Ángeles. A final segment stretches 128 km from Bahía de los Ángeles to the border of Baja California Sur. The total length of Mexican Federal Highway 1 in Baja California is 713 km (443 mi).
Continuing into the southern of the two Mexican states that comprise the Baja California peninsula, Guerrero Negro is the nearest community to the point where Mex 1 meets the 28th parallel north. Afterward Mex 1 leaves the western coast and crosses to the eastern coast at Santa Rosalía. The route continues southward past Puerto Escondido and gains altitude at Sierra de la Giganta, then veers southwest and through agricultural lands and Ciudad Constitución. After crossing a desert the route encounters La Paz on the eastern coast. The route continues along the gulf side of the peninsula through San José del Cabo to its terminus at Cabo San Lucas.
After crossing state lines the kilometer markers progress in the opposite direction. Baja California markers count from north to south, but Baja California Sur markers count from south to north. So in opposite order from the road signage, a progressive route southward would span 221 km from Guerrero Negro to Santa Rosalía, 197 km from Santa Rosalía to Loreto, 120 km from Loreto to Ciudad Insurgentes, 240 km from Ciudad Insurgentes to La Paz, and 224 km from La Paz to Cabo San Lucas.
- United States–Mexico border (Tijuana)
- Playas de Rosarito
- San Quintín
- El Rosario
- Highway 12 to Bahía de los Ángeles
- Punta Prieta
- El Rosarito
- Villa Jesús María and road to Sebastián Vizcaíno Bay
- 28th parallel north) State Line (
Baja California Sur
- Guerrero Negro
- San Ignacio, road to San Ignacio Lagoon
- Santa Rosalía
- Ciudad Insurgentes
- Ciudad Constitución
- La Paz
- San Pedro
- Highway 19 to Todos Santos & El Pescadero; shortcut to Cabo San Lucas
- San Antonio
- Los Cabos International Airport (at airport exit)
- San José del Cabo - as Boulevard Mauricio Castro
- Los Cabos Corridor (at transpeninsular monument)
- Cabo San Lucas - as Boulevard Lázaro Cárdenas