EXPANSION OF A 3RD LANE ON THE TUXTLA GUTIÉRREZ – SAN CRISTÓBAL DE LAS CASAS HIGHWAY. TECHNICAL JUSTIFICATION FOR THE DESIGN OF 4 BRIDGE EXPANSIONS

Modernization and widening of the Tuxtla Gutiérrez – San Cristóbal de las Casas highway. The widening of one lane of the highway was contemplated, as well as the asymmetric widening of one lane on the existing bridges, considering the existing structure and the materials used.