Tunnel Safety, Airflow & Emergency Evacuation Telematics
In-tunnel ultrasonic anemometer telemetry and radiant heat detection streaming emergency deceleration commands and bidirectional egress paths to vehicles.
Critical Velocity Smoke Barrier Control
Coordinating longitudinal jet-fan thrust with stopped vehicle aerodynamic drag prevents toxic smoke backlayering, protecting trapped passenger escape corridors.
- Continuous in-tunnel localization accuracy within 20 centimeters.
- Autonomous smoke-free route broadcast during underground fires.
- Automated variable speed limits preventing rear-end collisions in dark tubes.
- Full compliance with NFPA 502 standards for road tunnels and bridges.
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