This is a list of tunnels in Australia which includes any road, railway, waterway or other form of tunnel, anywhere in the country.
Australian Capital Territory Name Image Locale Carries Type Length Notes m ft Acton Tunnel Acton, Australian Capital Territory Carries Parkes Way under a hill Road 190 623 Three levels, with the upper two being used for car parking and storage by the Australian National University
New South Wales Name Image Locale Carries Type Length Notes m ft Airport railway line Wolli Creek to Central East Hills railway line Rail Bilston Tunnel Kosciuszko National Park Skitube Rail Blue Cow Tunnel Kosciuszko National Park Skitube Rail Ardglen Tunnel Upper Hunter Shire Main Northern railway line Rail Airport Tunnel General Holmes Drive Road Two in-line dual tunnels that carry runways for Sydney AirportAvon TunnelDombarton to AvonMaldon - Dombarton railway lineRailA planned single track tunnel. Only a few metres at each end were evacuated. 150.7372°, -34.4451° Balmain Colliery Below Sydney Harbour Coal mine Belmore Tunnel Blue Mountains Main Western railway line Rail Used by Zig Zag tourist railway on the Lithgow Zig Zag Bethungra Spiral Main Southern railway line Rail Two tunnels Border Tunnel Richmond Valley North Coast line Rail On the border between New South Wales and Queensland Box Vale tunnel Mittagong Box Vale rail line unlined tunnel through final spur Bullio Tunnel (Wombeyan Caves Rd Tunnel) Nattai National Park Wombeyan Caves Road Road Busby's Bore From Centennial Parklands to Hyde Park Sydney water supply Water Built from 1827 to 1837 and remains in limited use Bylong Rail Tunnel Bylong Sandy Hollow to Maryvale Line, No 3 of 5 Rail At the time of its construction, it was the longest rail tunnel Boronia Tunnels Main North line Rail 1-4 in use, 5 deviated; double track; longest tunnel is Bungendore - Queanbeyan rail Bombala line Rail Brooks Bank tunnel and two Pine Range tunnels Carcoar Tunnel Carcoar Blayney–Demondrille railway line Rail No longer in use City Circle Sydney central business district Sydney underground railways Rail Estimate of tunnel length from Central to Circular Quay and return. Two tunnels Clarence Tunnel , Blue Mountains Main Western line Rail Replaced by Ten Tunnels Deviation; used by Zig Zag tourist railway Colinton rail tunnel Colinton Bombala line Rail No longer in use Cooks River Tunnel Between Sydney Airport and M5 Motorway Road Under Cooks River Cougal Spiral Richmond Valley North Coast line Rail Two tunnels (See also Border Tunnel) Cross City Tunnel Sydney central business district Cross City Tunnel Road Two tunnels Cudgen Road Tunnel Tweed Valley Pacific Motorway Road Twin tunnels; opened in 2002 Devonshire Street Tunnel Sydney central business district Railway Square to Surry Hills Pedestrian Dorrigo railway line Dorrigo railway line Rail Two tunnels of unknown length between Glenreagh and Timber Top Eastern Distributor Tunnel Between Woolloomooloo and Surry Hills Eastern Distributor Road Completed in 2000; tolled on exit, northbound only; unique 'piggyback' design with three lanes, northbound, stacked on top of three lanes, southbound Eastern Suburbs railway line Sydney Eastern Suburbs railway line Rail Erskineville to Bondi Junction Epping to Chatswood railway line Sydney Metro North West & Bankstown Line Rail Fernleigh Tunnel Adamstown Heights and Jewells Fernleigh Track Rail trail Former railway tunnel on the Belmont railway line, opened in 1891-1892 and now used by pedestrians and cyclists as part of the Fernleigh Track. Gib tunnel between Mittagong & Bowral Main South line Rail Two tunnels; original single-track line now replaced; and one double-track line adjacent Glenbrook Tunnel (1892) Main Western Line (since deviated) Heritage Glenbrook Tunnel (1913) Between Lapstone and Glenbrook Main Western line Rail Double-track line, in use Glowworm Tunnel Rd Tunnel Wollemi National Park Glowworm Tunnel Road Road Helensburgh Tunnels including theHelensburgh Glow Worm, Lilyvale and Otford tunnels Illawarra escarpment Illawarra railway line Rail Seven disused tunnels; previous use between 1884 and 1920plusSeven in use dual line tunnels plus one single tunnel Kings Cross Tunnel Kings Cross Road Lane Cove Tunnel Lane Cove M2 Motorway Road Long Island Hawkesbury River station Main North line Rail Two tunnels; one Disused single track tunnel used for storage and a Double track, in use, adjacent Malaita Point Katoomba Rail through post of a coal mine Marrangaroo Lithgow Main Western line Rail Former single-track line; since deviated as double-track line, in use. Only double-track line length shown Merewether Bluff Merewether Rail Disused, Australia's first two railway tunnels, 1861 & 1862, privately operated M4 East Tunnel Between and Homebush M4 Motorway Road Dual tunnels M4-M5 Link (WestConnex) Between Haberfield and M4/M5 / Road Australia's longest road tunnel M5 East Tunnel Between Beverly Hills and M5 Motorway Road M8 Motorway Between and St Peters M8 Motorway Road Moore Park Tunnel Moore Park CBD and South East Light Rail Light rail from Eastern Distributor to Anzac Parade Mount Alexandra Mittagong Fitzroy Iron Works short tunnel on horse drawn tramway replacement Mount Rennie Katoomba Narrow Neck Rail Disused; previous use shale transport Mullet Creek Tunnel North of the Hawkesbury River in Wondabyne, Central Coast Main North line Rail Double track, in use, from the Hawkesbury Bridge Platform and Jct (end Hawkesbury Bridge deviation) New Main Tunnel Main South line Rail Double track, in use, between Picton station and Redback tunnel Newnes Glowworm Tunnel Between and Newnes railway line Rail Rail use between 1907 and 1932; converted to pedestrian and tourism use NorthConnex Between Pennant Hills and Wahroonga Pacific Motorway /Hills Motorway Road Opened 31 October 2020 Old Main Tunnel Picton Main South line Rail Disused; previous use between 1867 and 1919 Pyrmont and Glebe Railway Tunnels Between and Inner West Light Rail Light rail Two double-track tunnels; completed in 1922; estimated length Redbank Tunnel Tahmoor Main South line Rail Double-track, in use; deviated, filled in Red Hill Tunnels Coffs Harbour North Coast line Rail Five tunnels, opened in 1922 St Helena Tunnel , near Byron Bay, Tweed Valley Pacific Highway Road Opened 18 December 2015 Stockrington Maitland Richmond Vale railway line 3 tunnels Sydney Harbour Tunnel Between Woolloomooloo and under Sydney Harbour Sydney Harbour Tunnel Road Sydney Harbour railway electricity tunnel Between and Below Sydney Harbour Power supply Approximate distance Sydney Metro Northwest Between Bella Vista and Epping stations Metro North West & Bankstown Line Rail Opened May 2019 Sydney Metro City & Southwest Between Chatswood and Sydenham stations in Sydney Rail Opened in August 2024 becoming Australia's longest tunnel. Tank Stream tunnel Between Hyde Park and Circular Quay;Sydney central business district Tank Stream Storm water Estimate of remnants of 1860s tunnel Ten Tunnels Deviation Blue Mountains Main Western line Rail Replaced the Lithgow Zig Zag; ten tunnels of ranging in length from Tickhole Tunnel Between Cardiff and Kotara stations;Newcastle Main North line Rail Dual tunnels ranging in length from Tugun Bypass Tunnel Tweed Heads Gold Coast Airport Road Upper Nepean Scheme Campbelltown Water Two tunnels Woy Woy Tunnel Between Wondabyne and Woy Woy stations, Central Coast Main North line Rail Opened 15 August 1887; double track Wynyard Walk Sydney central business district Pedestrian
Queensland
Name Image Locale Carries Type Length Notes m ft Airport Link Between Bowen Hills and Toombul;Brisbane Airport Link Road Australia's longest road tunnel (at the time) Boolboonda Tunnel Mount PerryBoolboonda, Bundaberg Region Bundaberg to Mount Perry railway line Rail heritage Border Tunnel Richmond Gap, connecting New South Wales and Queensland NSW North Coast line Rail On the border between New South Wales and Queensland (see New South Wales section above) Cherry Gully Tunnel Southern Downs Region Warwick - Stanthorpe Line Rail Comprises two single-track tunnels Clem Jones Tunnel Between Woolloongabba and Bowen Hills, Brisbane Clem Jones Tunnel Road Two parallel tubes under the Brisbane River Cross River Rail From Dutton Park rail to Boggo Road busway stations in Brisbane Rail Two bored tunnels under construction with one complete in 2021 but not operational Dalveen Tunnel Dalveen, Southern Downs Region Warwick to Wallangarra railway line Rail single line rail tunnel Dularcha Railway Tunnel Mooloolah, Sunshine Coast Region North Coast line Rail Disused line Eastern Busway Dutton Park, Brisbane Annerley Road Road, busway Built under Boggo Road Gaol George Bridges Tunnel Nundah, Brisbane Sandgate Road Road Inner City Bypass tunnel , Brisbane Inner City Bypass Road North-South Bypass Tunnel, Brisbane, Australia Road Traffic Technology. Lahey's Canungra Tramway Tunnel Canungra, Gold Coast Pedestrians only Rail heritage Legacy Way Toowong and , Brisbane Linking the Western Freeway with the Inner City Bypass Road Two bored tunnels carrying two motorway grade lanes of traffic in each directionTunnelling, Legacy Way, Transcity official website (accessed 24 April 2013) Leopard Street Tunnel Brisbane Stormwater Main Range tunnels Main Range Main Line Rail A series of nine single-track or double-track tunnels that date from Many Peaks - Monto loop line Boyne Valley Gladstone to Monto railway line Rail heritage Six tunnels on a disused railway line Muntapa rail tunnel Cooyar, Toowoomba Region Cooyar railway line Rail heritage Victoria Tunnel Grandchester Main Line Rail Grandchester: Then & Now Yimbun Railway Tunnel Harlin, Somerset Region Brisbane Valley railway line Rail Completed in 1910; line closed in 1993
South Australia Name Image Locale Carries Type Length Notes m ft Ambleside Tunnel Verdun Main South Line Rail Tunnel 9 Barossa Reservoir supply tunnel Between South Para River and South Para Reservoir Water Clarendon Weir to Happy Valley Reservoir Tunnel south of Adelaide city centre Water Dowds Hill Tunnel East of Peterborough Crystal Brook-Broken Hill railway line under Wilmington–Ucolta Road Rail Echo Tunnel Belair National Park, Footpath and creek under Main South Line Pedestrian Eden Hills Tunnels Eden Hills Belair railway line Rail Tunnel 3 constructed 1880s Main South Line 1920 Former Coromandel Tunnel Blackwood Main South Line Rail Tunnel 4, converted to a cutting and bridge when track duplicated 1920 Former Pinera Tunnel Belair Main South Line Rail Tunnel 5, converted to a cutting and bridge when track duplicated 1920 Former Sleeps Hill Tunnels Panorama Previous alignment of Main South Line Rail Tunnels 1 and 2, 1880s–1920 Heysen Tunnels Mount Lofty Ranges South Eastern Freeway Road Long Gully Tunnel Belair Main South Line Rail Tunnel 7 Murray Bridge Tunnel Main South Line Rail National Park Tunnel Belair Main South Line Rail Tunnel 6 O-Bahn Busway City access tunnel Adelaide Park Lands Opened 2017 Sleeps Hill Tunnel Panorama Main South Line Rail Replaced Tunnels 1 and 2 in 1920 Tod River Reservoir works Water Torrens Gorge Tunnel Water Upper Sturt Tunnel Upper Sturt Main South Line Rail Tunnel 8
Tasmania