Manzanillo railroad tunnel, Colima, México

Environmental control and air quality.

The Manzanillo railroad tunnel, in the state of Colima, will communicate the Vaso II railroad viaduct in Cuyutlán lagoon and the port of Manzanillo, benefiting more than 140,000 people.

The projects includes an investment of 106 million dollars, with a capacity of 492 meters of tunnels and 8.5 meters height, which will allow using double-stack carriages. It will allow trains to avoid the congested center of the city and will improve railroad and port efficiency by eliminating five railroad crossings.

Air quality control is carried out with the installation of opacimeters, vane anemometers, converters and cup and vane anemometers, distributed by Durán Electrónica.