When facing challenges with making a U-turn, consider alternative options like going around the block, through a parking lot, or pulling into a driveway to ensure safety and avoid dangers on the road.
When making a U-turn may be difficult or dangerous, it might be better to...
All of the above are correct. In situations where a U-turn is challenging, these alternative options provide safer ways to change direction without risking accidents or endangering others on the road.