noun
evacuation route; escape route
A designated path or road for evacuation during disasters such as earthquakes, tsunamis, or fires.
地震のときは、避難路を通って公園に逃げてください。
In case of an earthquake, please evacuate to the park via the evacuation route.
この町には海側から高台へ続く避難路が整備さ
In this town, evacuation routes leading from the seaside to higher ground have been established.
避難場所 is an evacuation site or shelter, whereas 避難路 is the route taken to reach it.
Compound of 避難 (hinan, 'evacuation') + 路 (ro, 'road, path').