Headroom 16 ft. 9in.
Carriageway 22ft
行車路湖二十二呗
Lighting
Traffic light
路燈
Ground level
AIRPORT TUNNEL ROAD: 機場行車隧道
CROSS-SECTION
切面
Waterproof membrane & protection
防水層
Reinforced concrete
鐵三合土
Ventilation duct.
麻管进
Telephone booth & fire extinguisher
at 200 ft. intervals
(每二百呎一套)
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