TIML MOM Limited pledges to provide motorists and users of the Tsing Sha Control Area (TSCA) with quality services in accordance with the following standards and targets.
Vehicular Patrol within TSCA
Not more than 30 minutes interval.
Tunnel Wall Washing Frequency
Bi-weekly per cleansing cycle for each tunnel tube in TSCA.
Variable Message Signs and Radio Break-in System
(i) Variable message sign (VMS), mobile VMS and radio break-in system (RB) shall be operated 24 hours daily and emergency messages shall be disseminated through the facilities in a timely manner.
(ii) Inform users of traffic obstruction inside Eagle's Nest Tunnel/Sha Tin Heights Tunnel/Tai Wai Tunnel/Nam Wan Tunnel through Public Address and the Broadcasting Systems within 5 minutes.
Rescue / Recovery Operations
(i) Response to traffic accident/vehicle breakdown from the tunnel tube, expressway and bridge within 6 minutes (except three remote locations).
(ii) Remove breakdown vehicle/obstacle from the tunnel tube, expressway and bridge within 12 minutes.
Environmental Standards within the Tunnels
(i) CO Concentration Level: below 100 ppm (average over 5 minutes)
(ii) NO Concentration Level: below 11 ppm (average over 5 minutes)