Alternative route can be substituted with various synonyms depending on the context of the situation. Some synonyms for alternative route include detour, bypass, diversion, scenic route, back road, side street, off-road, pedestrian walkway, and shortcut. A detour is usually a longer but safer alternative route to avoid an obstacle or construction work on the main road. A bypass is a road that avoids a congested area or a city center. A diversion is a temporary alternative route used during emergency situations. A scenic route is a road with beautiful landscapes and scenic views. A back road or side street is a quieter alternative route to avoid heavy traffic. An off-road route is a path that is not on the main road and can be used by vehicles that have four-wheel drive. A pedestrian walkway is a sidewalk, footpath, or trail used by pedestrians, often separated from vehicular traffic. A shortcut is a quicker and more direct alternative route.