¿Qué significa un triángulo reflectante colocado al costado de la carretera?

157. ¿Qué significa un triángulo reflectante colocado al costado de la carretera?

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A. Hay un desperfecto o accidente adelante B. Hay obras en la vía adelante C. Hay un evento especial adelante D. Hay un puente de un solo sentido adelante y usted no tiene prioridad de paso

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