Why are doubles and triples especially sensitive to crosswinds and require caution on exit ramps and curves?

The tall, light trailers in a doubles or triples set present a large surface to crosswinds, which can push the trailers and require steering correction — and any sharp correction risks cracking the whip. On exit ramps and curves, the combination's articulation and rearward amplification mean the back trailer can roll over even when the tractor feels stable, so posted ramp speeds (set for cars) are far too fast. The driver should slow well before ramps and curves, steer smoothly, and be ready for wind gusts on open stretches, bridges, and when passing or being passed by large vehicles.