Fire and rescue operations in a tunnel has to be done as efficient as possible, a simple vehicle fire can create an emergency situation where many helpless people are trapped. Firefighters need a report of smoke condition, dangerous chemicals, or possible flooding, the launch a speed fire service response. Tunnel Keeper is a concept fire rescue vehicle designed specially to operate in a tunnel, the enclosed structure makes the smoke hard to dissipate, which means, rescue and escape process can be extremely difficult.

Tunnel Keeper is designed to work together with fire-fighting equipment which is already installed inside the tunnel to improve rescue efficiency.

Featuring unique body design, Tunnel Keeper concept is equipped with side smoke exhaust device, water mist equipment, and CAFS system that protect firefighter from high heat and heavy smoke due to traffic accident. Any essentials information will be displayed on the dashboard, from location, tunnel temperature, to condition of the vehicle. Tunnel Keeper is also designed to work with the fire hydrant to prevent the spread of fire at initial stage. The built-in stretcher along with emergency rescue box can be used to help people to escape or transport the injured to reduce casualty.

A fire fighter can utilize CAFS (Compressed Air Foam System) at the rear part where they can take out the foam nozzle and use infrared rays to aim at the fire to extinguish after connecting the hose to the rear cylinder to a fire hydrant in the tunnel. Designed by Shu-Qing Ou, Wei-Chi Chen, Ying-Cih Shao, and Ching-Hsin Hsu, the smoke exhaust and water mist system of Tunnel Keeper help to reduce high temperature smoke to increase visibility in initial firefighting, delaying expansion of disaster and reduce casualties.