Mexican Federal Highway 40

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Federal Highway 40 shield

Federal Highway 40
Carretera Federal 40
Route information
Length: 1,145.4 km[1][2][3] (711.7 mi)
Major junctions
East end: Fed. 2 in Reynosa

Fed. 35 in General Bravo
Fed. 54 in Monterrey
Fed. 85 in Monterrey
Fed. 54 northeast of Ramos Arizpe[4]
Fed. 54 northeast of Ramos Arizpe
Fed. 54 / Fed. 57 in Saltillo
Fed. 40D in Puebla, Coahuila
Fed. 40D in La Paila, Coahuila
Fed. 40D in La Cuchilla, Coahuila
Fed. 30 in La Cuchilla
Fed. 40D in Matamoros, Coahuila
Fed. 30 in Torreón
Fed. 34 near Pedriceña, Durango
Fed. 49 in Cuencamé
Fed. 40D in Yerbanis
Fed. 40D in Cinco de Mayo, Durango
Fed. 45 in Cinco de Mayo
Fed. 23 / Fed. 45 in Durango
Fed. 40D in El Salto
Fed. 40D in Concordia, Sinaloa

Fed. 15D in Villa Unión[4]
West end: Fed. 15 near Mazatlán
Highway system

Mexican Federal Highways
List • Autopistas

Fed. 37 Fed. 41

Mexican Federal Highway 40, also called the "Carretera Interoceánica" (Interoceanic Highway) is a road beginning at Reynosa, Tamaulipas, just west of the Port of Brownsville, Texas, and ending at Mexican Federal Highway 15 in Villa Unión, Sinaloa near Mazatlán and the Pacific coast. It is called Interoceanic as, once finished, the cities of Matamoros, Tamaulipas on the Gulf of Mexico and Mazatlán, Sinaloa at the Pacific Ocean, will be linked.

It passes through Monterrey, Nuevo León, Saltillo, Coahuila, Torreón, Gómez Palacio, and Durango, Durango. The Monterrey to Durango section is a 4-lane divided highway. The rest of the road is a 2-lane undivided road.[citation needed] Parallel to this highway, in some sections, runs Federal Highway 40D, which is a 4-lane restricted access toll road.

The road was also the site of the Cadereyta Jiménez massacre on 13 May 2012.[6]


Reynosa, Tamaulipas, to Monterrey, Nuevo León[edit]

From Reynosa to La Junta, Nuevo León the road is a 4-lane divided unrestricted access road. Then the highway is divided onto Highway 40 and Highway 40D. Highway 40 continues as a 2 lane undivided road, passing through several small towns including:

Monterrey, Nuevo León, to Saltillo, Coahuila[edit]

From Monterrey, Nuevo León, to Saltillo, Coahuila it is a 4-lane divided unrestricted access road. The Road crosses the Sierra Madre Oriental that divides Coahuila and Nuevo León.

Saltillo, Coahuila, to Torreón, Coahuila[edit]

From Saltillo the road continues to be a 4-lane unrestricted access road. After the town El Mesón, the road splits into a 4-lane toll Road 40D and a 2 lane 2 way undivided unrestricted road. Both roads merge again in 28 de Agosto town and begins the 4 lane divided unrestricted highway again. A few kilometers ahead is the road junction south to Parras de la Fuente, Coahuila. At La Cuchilla the road splits again into 40 and 40D. From there, one may take Federal Highway 30 to San Pedro, which it eventually becomes a 4 lane divided unrestricted road and leads directly to northern Torreón. At the city of Matamoros, Coahuila, the roads merge again into a 4 lane divided unrestricted highway until one reaches Torreón.

This section is the east-west section across the central Mexican Plateau.

Torreon, Coahuila, to Gómez Palacio, Durango[edit]

Torreon, Coahuila, and Gómez Palacio, Durango, form a metro area. At Gómez Palacio, Highway 40 merges with highway 49 that comes from the north. At Gómez Palacio you can choose between 40-49 and 40-49D, the difference here is that both roads are 4-lane divided until the first toll booth.

Gómez Palacio, Durango, to Durango, Durango[edit]

At Gómez Palacio you can choose between the toll road and the unrestricted road. At Cuencamé, Durango, the roads splits, Highway 49 continues south to Zacatecas (and Mexico City) and Highway 40 continues west to Durango.

Durango, Durango, to Mazatlán, Sinaloa[edit]

This section of the highway is narrow with lots of curves, and is the section that will be replaced with a new highway. This old road can take up to 8 hours to travel, while the new one should only take 3 hours. During the winter months there is the added danger of ice. When going eastbound, Mazatlán to Durango, after reaching the top of the Sierra Madre Occidental, the highway becomes more linear, and it goes through the towns of La Ciudad, El Salto, and El Soldado, it continues linear up to a point around 30 kilometers from Durango, and it goes downhill with a lot of curves again. In all the downhill sections, the use of engine brake is advised.

Current developments[edit]

New highway[edit]

The construction of the new highway between Durango and Mazatlán will shorten time between this two cities by as much as 6 hours.[7] The highway will pass under and over the Sierra Madre Occidental through 63 new tunnels and 115 new bridges.[8] The most important is the Baluarte Bridge (finished in 2012), which is now the highest bridge in North America at 390 meters. The bridge is located at the border between Sinaloa and Durango States formed by the Baluarte River.

The clearance from the river bottom is over 1,300 feet, and at over 3,600 foot long it is the highest suspension bridge in the world. The route from Mazatlan to Durango has 115 bridges -- eight over 900 feet high -- and 63 tunnels nearly 11 miles long in total.

Security will be greatly enhanced in this region, due to quicker access and mobility of the military.[citation needed] It was inaugurated by President Enrique Peña Nieto on October 17 of 2013, and its fully operational since then. The time to travel it from Durango City to Mazatlan takes slightly under two and one-half hours.


  1. ^ "Datos Viales de Durango" (PDF) (in Spanish). Dirección General de Servicios Técnicos, Secretaría de Comunicaciones y Transportes. 2011. p. 6. Retrieved 2012-01-31. 
  2. ^ "Datos Viales de Coahuila" (PDF) (in Spanish). Dirección General de Servicios Técnicos, Secretaría de Comunicaciones y Transportes. 2011. pp. 5, 12. Retrieved 2012-01-31. 
  3. ^ "Datos Viales de Nuevo León" (PDF) (in Spanish). Dirección General de Servicios Técnicos, Secretaría de Comunicaciones y Transportes. 2011. pp. 8–9. Retrieved 2012-01-31. 
  4. ^ a b "Google Maps". Retrieved Feb 12, 2012. 
  5. ^ "Datos Viales de Sinaloa" (PDF) (in Spanish). Dirección General de Servicios Técnicos, Secretaría de Comunicaciones y Transportes. 2011. pp. 2–3. Retrieved 2012-02-12. 
  6. ^ "Official: 49 bodies left on Reynosa-Monterrey highway". The Monitor. 13 May 2012. Retrieved 13 May 2012. 
  7. ^ "Inauguration of Durango-Mazatlán Highway". Presidencia de la República. 17 October 2013. Retrieved 2 November 2013. 
  8. ^ "Mexico Highway Leapfrogs Drug Lands to Link 2 Seas". The Associated Press. 30 June 2013. Retrieved 2 November 2013. 

60 tunnels and 115 bridges