The project consists of extending the Salina Cruz-Zihuatanejo highway to two lanes. It is estimated that this project will generate 84,822 jobs. The highway connects to Trunk Route 15, "Costera del Pacífico." Its route will reach several important towns and locations, including San Pedro Pochutla, Puerto Escondido, Juchitán, Marquelia, Acapulco, and Coyuca de Benítez, among others.

LO-09-210-009000999-T-21-2025 / Reception of proposals: Apr. 21, 2025
Modernization from 7.0 m to 12.0 m crown width from IG=(km 209+500 AT - km 209+240 AD) to km 219+540, including earthworks, drainage works, structures, pavement with hydraulic base, asphalt base, asphalt concrete surface, and signage for the Pochutla – Huatulco section of the Oaxaca – Puerto Escondido – Huatulco highway, in the municipality of San Pedro Pochutla, State of Oaxaca.

LO-09-210-009000999-T-22-2025 / Reception of proposals: Apr. 21, 2025
Modernization from 7.0 m to 12.0 m crown width from km 219+540 to km 229+600, including earthworks, drainage works, pavement with hydraulic base, asphalt base, asphalt concrete surface, and signage for the Pochutla – Huatulco section of the Oaxaca – Puerto Escondido – Huatulco highway, in the municipalities of San Pedro Pochutla and Santa María Huatulco, State of Oaxaca.

LO-09-210-009000999-T-23-2025 / Reception of proposals: Apr. 21, 2025
Modernization from 7.0 m to 12.0 m crown width from km 229+600 to km 234+843.77, including earthworks, drainage works, structures, pavement with hydraulic base, asphalt base, asphalt concrete surface, and signage for the Pochutla – Huatulco section of the Oaxaca – Puerto Escondido – Huatulco highway, in the municipality of Santa María Huatulco, State of Oaxaca.