Loma Larga Tunnel, or, as it is known by the locals, Túnel de la Loma Larga, is a man made tunnel constructed in the bowels of the Cerro de la Loma Larga

Cerro de la Loma Larga

Cerro de la Loma Larga , or Loma Larga located in the Monterrey, Nuevo León metropolitan area is a lower extension of the Sierra Madre Oriental, in particular an eastern extension of Cerro de las Mitras.The hill has long been considered the natural division of the now adjacent cities of Monterrey...

, in the limits of the cities of Monterrey

Monterrey

Monterrey , is the capital city of the northeastern state of Nuevo León in the country of Mexico. The city is anchor to the third-largest metropolitan area in Mexico and is ranked as the ninth-largest city in the nation. Monterrey serves as a commercial center in the north of the country and is the...

 and San Pedro Garza García

San Pedro Garza García

San Pedro Garza García is a city-municipality of the Mexican state of Nuevo León and is part of Monterrey's Metropolitan Area, based on the suburban North American model...

 in Nuevo León

Nuevo León

Nuevo León It is located in Northeastern Mexico. It is bordered by the states of Tamaulipas to the north and east, San Luis Potosí to the south, and Coahuila to the west. To the north, Nuevo León has a 15 kilometer stretch of the U.S.-Mexico border adjacent to the U.S...

, México

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

.

The work itself in fact is two tunnels, holding three lanes each (a fourth one is destined for emergencies).

The tunnel does not exceed the 2 kilometer in its longitud. The lanes flowing south end in the municipality

Municipality

A municipality is essentially an urban administrative division having corporate status and usually powers of self-government. It can also be used to mean the governing body of a municipality. A municipality is a general-purpose administrative subdivision, as opposed to a special-purpose district...

of San Pedro Garza García, while the ones flowing north end in Monterrey.