单拱4车道公路隧道  single-arch four-lane highway tunnel

单拱四车道公路隧道  single arch tunnel with four lanes

双车道公路隧道  Double-lane highway tunnel

三车道隧道  Three-lane Highway Tunnel

单洞四车道隧道  4-lane road tunnel

多车道道路  multi lane roadway

农村单车道公路  Rural Single-lane Highway

山区双车道公路  Mountainous Two-lane Highway; Mountain Terrain Two-lane Highway

双车道公路  two-lane highway; doudbe-lane highway; double-lane road; two-lane road; Two-lane Highways; dual-lane highway

四车道公路  four-lane highway

四车道隧道  Four-lane twin tunnels

长大公路隧道  large highway tunnel; long highway tunnel; long tunnel of highway; Tunnel engineering; huge highway tunnel; Long highway tunnels

长公路隧道  long-highway-tunnel

长江公路隧道  Yangtze River highway tunnel

超长公路隧道  Super long highway tunnel

超大跨公路隧道  super-span road tunnel

城门隧道公路  shing mun tunnel road

城市道路隧道  urban road tunnels

城市道路隧道照明设计  Design of Urban Road Tunnel Lighting