Where is/are U-turn(s) prohibited?a.on a curve in the roadb.near a railway crossingc.near a bridge or tunneld.all of above

Break Down the Problem

1. Identify the different locations mentioned in the options where U-turns might be prohibited: on a curve in the road, near a railway crossing, and near a bridge or tunnel.
2. Determine if U-turns are generally prohibited in each of these locations.

Relevant Concepts

• Traffic regulations often specify restrictions based on safety concerns.
• U-turns can be dangerous in specific locations where visibility is limited or where they could obstruct traffic.

Analysis and Detail

1. On a Curve in the Road: U-turns are typically prohibited on curves due to limited visibility and the risk of accidents.
2. Near a Railway Crossing: U-turns are generally prohibited as they can obstruct traffic and pose safety risks near trains.
3. Near a Bridge or Tunnel: U-turns are often prohibited here as well because of safety concerns and the potential for traffic congestion.

Verify and Summarize

All the locations mentioned present safety concerns regarding U-turns. Therefore, U-turns are generally prohibited in all of these areas to prevent accidents and ensure the smooth flow of traffic.

Final Answer

d. all of the above