The (Querétaro Southwest Bypass), signed as Mexican Federal Highway Q20, is a thoroughfare that partially encircles the city of Querétaro. It is key for crossing the Santiago de Querétaro metropolitan area without entering the city center, connecting through traffic heading toward Guanajuato, Celaya, and Federal Highway 57. The central confined lanes are maintained by the federal government. Frontage segments of the road are maintained by the municipal government, which also provides lighting.
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