1-C. Cyclists seem to be regarded as a problem by many motorists.Cyclists seem to be regarded as a problem by many motorists.
自転車乗りは、見受けられる、見なされているようにダヨ、問題としてダヨ、多くの自動車乗りからダヨ。
2-C. The bicycle lanes may persuade motorists in the city to switch from cars to bicycles.The bicycle lanes may persuade motorists in the city to switch from cars to bicycles.
3-C. The bicycle lanes may be difficult for pedestrians and motorists to recognize.The bicycle lanes may be difficult for pedestrians and motorists to recognize.
4-C. I guess your main point is that the bicycle lanes may improve safety for pedestrians and motorists, as well as cyclists .I guess your main point is that the bicycle lanes may improve safety for pedestrians and motorists, as well as cyclists .
5-C. Bicycle lanes can also help motorists avoid accidents and drive more safely in the city.Bicycle lanes can also help motorists avoid accidents and drive more safely in the city.