SUPERVISION EXTERNA PARA LA AMPLIACION DE TERRACERIAS OBRAS DE DRENAJE PAVIMENTO DE CONCRETO ASFALTICO PASOS PEATONALES OBRAS COMPLEMENTARIAS Y SEÑALAMIENTO DEL KM 251 300 AL KM 252 500 CONSTRUCCION DE RETORNOS KM 268 600 (LA RIOJA) KM 266 050 (DALI) KM 263 100 (LOS CRISTALES) Y KM 261 000 (EL BARRO) Y SEÑALAMIENTO DEL PASO SUPERIOR VEHICULAR EN EL KM 264 900 TRAMO ALLENDE MONTERREY

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