n elevated freeway with heavy traffic, viewed from within a moving vehicle on the lower roadway

n elevated freeway with heavy traffic, viewed from within a moving vehicle on the lower roadway. Above, two fire trucks, numbered 15 and 9, are parked on a bridge. Several firefighters wearing light-colored uniforms are standing between the trucks. All the fire trucks have flashing red lights activated. The sky is overcast, suggesting either dawn or dusk.