CONSERVACIÓN RUTINARIA DE TRAMOS META DE 148.00 KMS. DE RED EQUIVALENTE, LONGITUD LINEAL 82.04 KMS., RED DE CORREDORES DE 67.77 KMS. LONGITUD DE 3.2 KMS. DEL TRAMO: ZACATECAS - FRESNILLO DEL KM. 4+815 AL 6+415 CUERPOS A Y B, LONGITUD DE 35.97 KM. DEL TRAMO

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