Real-time green corridor system for emergency vehicles using live GPS, traffic-aware routing, and signal control. Includes 2 mobile apps (PULSE, PULSE-CC) and 3 web apps (Admin Website, PULSE-AID-WEB, FASTAPI dashboard), with five shortest-path methods: Dijkstra, A*, Bellman-Ford, Floyd-Warshall, and Directed SSSP (arXiv:2504.17033).