# List of tunnels in Australia

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 | Length | Notes |
| Name | Image | Locale | Carries | Type | m | ft | Notes |
| 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 | Length | Notes |
| Name | Image | Locale | Carries | Type | m | ft | Notes |
| Airport railway line | | Wolli Creek to Central | East Hills railway line | Rail | 10,000 | 33,000 | |
| Bilson Tunnel | | Kosciuszko National Park | Skitube | Rail | 3,300 | 10,800 | |
| Blue Cow Tunnel | | Kosciuszko National Park | Skitube | Rail | 2,600 | 8,500 | |
| Ardglen Tunnel | | Upper Hunter Shire | Main North Line | Rail | 488 | 1,601 | |
| Airport Tunnel | | Mascot | General Holmes Drive | Road | 550 | 1,800 | Two in-line dual tunnels that carry runways for Sydney Airport |
| Avon Tunnel | | Dombarton to Avon | Maldon – Dombarton railway line | Rail | 4,000 | 13,000 | A 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 line | Rail | | | Used by Zig Zag tourist railway on the Lithgow Zig Zag |
| Bethungra Spiral | | Bethungra | Main South Line | Rail | 205 | 673 | Two tunnels |
| Border Tunnel | | Richmond Valley | North Coast line | Rail | 1,160 | 3,810 | 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 | 22 | 72 | |
| Busby's Bore | | From Centennial Parklands to Hyde Park | Sydney water supply | Water | 3,600 | 11,800 | Built from 1827 to 1837 and remains in limited use |
| Bylong Rail Tunnel | | Bylong | Sandy Hollow to Maryvale Line, No 3 of 5 | Rail | 1,975 | 6,480 | At the time of its construction, it was the longest rail tunnel |
| Boronia Tunnels | | Cowan | Main North line | Rail | 1,313 | 4,308 | 1-4 in use, 5 deviated; double track; longest tunnel is 602 metres (1,975 ft) |
| Bungendore - Queanbeyan rail | | | Bombala line | Rail | | | Brooks Bank tunnel and two Pine Range tunnels |
| Carcoar Tunnel | | Carcoar | Blayney–Demondrille railway line | Rail | 281 | 922 | No longer in use |
| City Circle | | Sydney central business district | Sydney underground railways | Rail | 5,000 | 16,000 | Estimate of tunnel length from Central to Circular Quay and return. Two tunnels |
| Clarence Tunnel | | Clarence, Blue Mountains | Main Western line | Rail | 493 | 1,617 | Replaced by Ten Tunnels Deviation; used by Zig Zag tourist railway |
| Colinton rail tunnel | | Colinton | Bombala line | Rail | 161 | 528 | No longer in use |
| Cooks River Tunnel | | Between Sydney Airport and Tempe | M5 Motorway | Road | | | Under Cooks River |
| Cougal Spiral | | Richmond Valley | North Coast line | Rail | 369 | 1,211 | Two tunnels (See also Border Tunnel) |
| Cross City Tunnel | | Sydney central business district | Cross City Tunnel | Road | 2,100 | 6,900 | Two tunnels |
| Cudgen Road Tunnel | | Tweed Valley | Pacific Motorway | Road | 134 | 440 | Twin tunnels; opened in 2002 |
| Devonshire Street Tunnel | | Sydney central business district | Railway Square to Surry Hills | Pedestrian | 300 | 980 | |
| Dorrigo railway line | | Dorrigo | 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 | 1,700 | 5,600 | 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 | 13,000 | 43,000 | |
| Fernleigh Tunnel | | | | Rail | | | Rail trail-cycleway |
| Gib tunnel | between Mittagong & Bowral | | Main South line | Rail | 516 | 1,693 | Two tunnels; original single-track line now replaced; and one double-track line adjacent |
| Glenbrook Tunnel (1892) | | Glenbrook | Main Western Line (since deviated) | Heritage | 634 | 2,080 | |
| Glenbrook Tunnel (1913) | | Between Lapstone and Glenbrook | Main Western line | Rail | 283 | 928 | Double-track line, in use |
| Glowworm Tunnel Rd Tunnel | | Wollemi National Park | Glowworm Tunnel Road | Road | 160 | 520 | |
| Helensburgh Tunnels including the Helensburgh Glow Worm, Lilyvale and Otford tunnels | | Illawarra escarpment | Illawarra railway line | Rail | 3,257 | 10,686 | Seven disused tunnels; previous use between 1884 and 1920 plus Seven in use dual line tunnels plus one single tunnel |
| Kings Cross Tunnel | | Kings Cross | | Road | 274 | 899 | |
| Lane Cove Tunnel | | Lane Cove | M2 Motorway | Road | 3,600 | 11,800 | |
| Long Island | | Hawkesbury River station | Main North line | Rail | 263 | 863 | 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 | 974 | 3,196 | 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 Haberfield and Homebush | M4 Motorway | Road | 5,500 | 18,000 | Dual tunnels |
| M4-M5 Link (WestConnex) | | Between Haberfield and St Peters | M4/M5 / | Road | 9,200 | 30,200 | Australia's longest road tunnel |
| M5 East Tunnel | | Between Beverly Hills and Arncliffe | M5 Motorway | Road | | | |
| M8 Motorway | | Between Beverly Hills and St Peters | M8 Motorway | Road | 9,000 | 30,000 | |
| 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 | 395 | 1,296 | Disused; previous use shale transport |
| Mullet Creek | | Hawkesbury River station | Main North line | Rail | 456 | 1,496 | Double track, in use, from the Hawkesbury Bridge Platform and Jct (end Hawkesbury Bridge deviation) |
| New Main Tunnel | | Picton | Main South line | Rail | 183 | 600 | Double track, in use, between Picton station and Redback tunnel |
| Newnes Glowworm Tunnel | | Between Newnes and Lithgow | Newnes railway line | Rail | 1,320 | 4,330 | Rail use between 1907 and 1932; converted to pedestrian and tourism use |
| NorthConnex | | Between Pennant Hills and Wahroonga | Pacific Motorway /Hills Motorway | Road | 9,000 | 30,000 | Opened 31 October 2020 |
| Old Main Tunnel | | Picton | Main South line | Rail | 181 | 594 | Disused; previous use between 1867 and 1919 |
| Pyrmont and Glebe Railway Tunnels | | Between Pyrmont and Glebe | Inner West Light Rail | Light rail | 1,500 | 4,900 | Two double-track tunnels; completed in 1922; estimated length |
| Redbank Tunnel | | Tahmoor | Main South line | Rail | 181 | 594 | Double-track, in use; deviated, filled in |
| Red Hill Tunnels | | Coffs Harbour | North Coast line | Rail | 955 | 3,133 | Five tunnels, opened in 1922 |
| St Helena Tunnel | | Ewingsdale, near Byron Bay, Tweed Valley | Pacific Highway | Road | 434 | 1,424 | Opened 18 December 2015 |
| Stockrington | | Maitland | Richmond Vale railway line | | | | 3 tunnels |
| Sydney Harbour Tunnel | | Between Woolloomooloo and North Sydney under Sydney Harbour | Sydney Harbour Tunnel | Road | 2,800 | 9,200 | |
| Sydney Harbour railway electricity tunnel | | Between Birchgrove and Greenwich | Below Sydney Harbour | Power supply | 540 | 1,760 | Approximate distance |
| Sydney Metro Northwest | | Between Bella Vista and Epping stations | Metro North West & Bankstown Line | Rail | 15,500 | 50,900 | Opened May 2019 |
| Sydney Metro City & Southwest | | Between Chatswood and Sydenham stations in Sydney | | Rail | 15,500 | 50,900 | 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 | 700 | 2,300 | Estimate of remnants of 1860s tunnel |
| Ten Tunnels Deviation | | Blue Mountains | Main Western line | Rail | 2,822 | 9,259 | Replaced the Lithgow Zig Zag; ten tunnels of ranging in length from 70 to 825 metres (230 to 2,707 ft) |
| Tickhole Tunnel | | Between Cardiff and Kotara stations; Newcastle | Main North line | Rail | 370 | 1,210 | Dual tunnels ranging in length from 165 to 205 metres (541 to 673 ft) |
| Tugun Bypass Tunnel | | Tweed Heads | Gold Coast Airport | Road | 334 | 1,096 | |
| Upper Nepean Scheme | | Campbelltown | | Water | | | Two tunnels |
| Woy Woy Tunnel | | Between Wondabyne and Woy Woy stations | Main North line | Rail | 1,690 | 5,544 | Opened 15 August 1887; double track |
| Wynyard Walk | | Sydney central business district | Wynyard | Pedestrian | 180 | 590 | |

## Queensland

| Name | Image | Locale | Carries | Type | Length | Length | Notes |
| Name | Image | Locale | Carries | Type | m | ft | Notes |
| Airport Link | | Between Bowen Hills and Toombul; Brisbane | Airport Link | Road | 6,700 | 22,000 | Australia's longest road tunnel (at the time) |
| Boolboonda Tunnel | | Mount Perry Boolboonda, Bundaberg Region | Bundaberg to Mount Perry railway line | Rail heritage | 192 | 630 | |
| Border Tunnel | | Richmond Gap, connecting New South Wales and Queensland | NSW North Coast line | Rail | 1,600 | 5,200 | 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 | 272 | 892 | Comprises two single-track tunnels |
| Clem Jones Tunnel | | Between Woolloongabba and Bowen Hills, Brisbane | Clem Jones Tunnel | Road | 4,800 | 15,700 | Two parallel tubes under the Brisbane River |
| Cross River Rail | | From Dutton Park rail to Boggo Road busway stations in Brisbane | | Rail | 5,900 | 19,400 | 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 | 140 | 460 | single line rail tunnel |
| Dularcha Railway Tunnel | | Mooloolah, Sunshine Coast Region | North Coast line | Rail | 100 | 330 | Disused line |
| Eastern Busway | | Dutton Park, Brisbane | Annerley Road | Road, busway | 640 | 2,100 | Built under Boggo Road Gaol |
| George Bridges Tunnel | | Nundah, Brisbane | Sandgate Road | Road | 285 | 935 | |
| Inner City Bypass tunnel | | Breakfast Creek, Brisbane | Inner City Bypass | Road | 350 | 1,150 | |
| Lahey's Canungra Tramway Tunnel | | Canungra, Gold Coast | Pedestrians only | Rail heritage | 91 | 299 | c. 1900 |
| Legacy Way | | Toowong and Kelvin Grove, Brisbane | Linking the Western Freeway with the Inner City Bypass | Road | 4,600 | 15,100 | Two bored tunnels carrying two motorway grade lanes of traffic in each direction |
| Leopard Street Tunnel | | Brisbane | | Stormwater | | | c. 1890 |
| Main Range tunnels | | Main Range | Main Line | Rail | 886 | 2,907 | A series of nine single-track or double-track tunnels that date from c. 1866 |
| Many Peaks - Monto loop line | | Boyne Valley | Gladstone to Monto railway line | Rail heritage | 730 | 2,400 | Six tunnels on a disused railway line |
| Muntapa rail tunnel | | Cooyar, Toowoomba Region | Cooyar railway line | Rail heritage | 280 | 920 | |
| Victoria Tunnel | | Grandchester | Main Line | Rail | 537 | 1,762 | |
| Yimbun Railway Tunnel | | Harlin, Somerset Region | Brisbane Valley railway line | Rail | 100 | 330 | Completed in 1910; line closed in 1993 |

## South Australia

| Name | Image | Locale | Carries | Type | Length | Length | Notes |
| Name | Image | Locale | Carries | Type | m | ft | Notes |
| Ambleside Tunnel | | Verdun | Main South Line | Rail | 172 | 564 | Tunnel 9 |
| Barossa Reservoir supply tunnel | | Williamstown | Between South Para River and South Para Reservoir | Water | 2,000 | 6,600 | |
| Clarendon Weir to Happy Valley Reservoir Tunnel | | south of Adelaide city centre | | Water | 5,000 | 16,000 | |
| Dowds Hill Tunnel | | East of Peterborough | Crystal Brook-Broken Hill railway line under Wilmington–Ucolta Road | Rail | 95 | 312 | |
| Echo Tunnel | | Belair National Park, Belair | Footpath and creek under Main South Line | Pedestrian | | | |
| Eden Hills Tunnels | | Eden Hills | Belair railway line | Rail | 156 | 512 | Tunnel 3 constructed 1880s |
| Eden Hills Tunnels | | Eden Hills | Main South Line | Rail | 156 | 512 | 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 | 170 | 560 | Tunnels 1 and 2, 1880s–1920 |
| Former Sleeps Hill Tunnels | | Panorama | Previous alignment of Main South Line | Rail | 360 | 1,180 | Tunnels 1 and 2, 1880s–1920 |
| Heysen Tunnels | | Mount Lofty Ranges | South Eastern Freeway | Road | 500 | 1,600 | |
| Long Gully Tunnel | | Belair | Main South Line | Rail | 304 | 997 | Tunnel 7 |
| Murray Bridge Tunnel | | Murray Bridge | Main South Line | Rail | 80 | 260 | |
| National Park Tunnel | | Belair | Main South Line | Rail | 193 | 633 | Tunnel 6 |
| O-Bahn Busway City access tunnel | | Adelaide Park Lands | | | 670 | 2,200 | Opened 2017 |
| Sleeps Hill Tunnel | | Panorama | Main South Line | Rail | 738 | 2,421 | 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 | 199 | 653 | Tunnel 8 |

## Tasmania

| Name | Image | Locale | Carries | Type | Length | Length | Notes |
| Name | Image | Locale | Carries | Type | m | ft | Notes |
| Rhyndaston Tunnel | | South of Oatlands; Southern Tasmania | Tasmanian Main Line (Hobart to Western Junction) | Rail | 955 | 3,133 | Completed in 1876; widened in the 1970s |
| Argent Tunnel | | | Emu Bay Railway | Rail | | | |

## Victoria

| Name | Image | Locale | Carries | Type | Length | Length | Notes |
| Name | Image | Locale | Carries | Type | m | ft | Notes |
| Big Hill Tunnel | | Bendigo | Deniliquin railway line | Rail | 390 | 1,280 | |
| Bunbury Street Tunnel | | Footscray, Melbourne | | Rail | 420 | 1,380 | Both Broad Gauge and Standard Gauge entering and leaving Melbourne |
| Burnley Tunnel | | Richmond, Melbourne | CityLink / Monash Freeway | Road | 3,400 | 11,200 | |
| City Loop Tunnels | | La Trobe and Spring Streets, Melbourne | Melbourne Underground Rail Loop | Rail | 12,000 | 39,000 | Comprises: Two single bi-directional tunnels Flinders Street–ParliamentFour single bi-directional tunnels Parliament–FlagstaffThree single bi-directional tunnels Flagstaff–Southern Cross |
| Domain Tunnel | | Richmond, Melbourne | CityLink / Monash Freeway | Road | 1,600 | 5,200 | |
| Elphinstone Tunnel | | | Deniliquin railway line | Rail | 385 | 1,263 | Built double track, singled later |
| Geelong Tunnel | | Geelong | Port Fairy railway line | Rail | 422 | 1,385 | Exit from Geelong to West coast railway line |
| Melba Tunnel | | Mitcham, Melbourne | Eastern Freeway to EastLink Ringwood | Road | 1,600 | 5,200 | |
| Metro Tunnel | | South Yarra to Kensington via Melbourne CBD | Cranbourne lineSunbury linePakenham line | Rail | 9,000 | 5,600 | Once opened in 2025 the tunnel will cary the Pakenham, Cranbourne and Sunbury lines. |
| Mullum Mullum Tunnel | | Mitcham, Melbourne | Eastern Freeway to EastLink Ringwood | Road | 1,600 | 5,200 | |
| Rosanna Tunnel | | Rosanna, Melbourne | Hurstbridge railway line | Rail | 65 | 213 | |
| West Richmond Tunnel | | Richmond, Melbourne | Hurstbridge railway line | Rail | 115 | 377 | |
| Jolimont Tunnel | | East Melbourne, Melbourne | Hurstbridge railway line | Rail | 149 | 489 | |
| Spotswood sewer tunnel | | Fishermans Bend and Spotswood; Melbourne | Under Yarra River connecting Hobsons Bay Main with former Spotswood Sewerage Pumping Station | Sewer | 200 | 660 | Continues in use as part of Melbourne's Sewerage system |
| West Gate Tunnel | | Spotswood and Fishermans Bend; Melbourne | West Gate Bridge | Road | 3,000 | 9,800 | Proposed as part of the Western Distributor, construction commenced in 2018 |

## Western Australia

| Name | Image | Locale | Address/Facility | Type | Length | Length | Notes |
| Name | Image | Locale | Address/Facility | Type | m | ft | Notes |
| Airport line tunnel | | Bayswater, Redcliffe, Perth Airport, High Wycombe | Perth | Rail | 8,000 | 26,000 | Twin bored tunnels, part of the Airport line |
| Canning Tunnel | | Canning Dam to Perth | Darling Scarp | Water supply | 5,600 | 18,400 | |
| Northbridge Tunnel | | Northbridge | Perth | Road | 1,600 | 5,200 | |
| Swan View Tunnel | | Swan View | Perth; John Forrest National Park | Rail | 262 | 860 | Closed and now converted to a rail trail |
| William Street Tunnel | | Perth railway station to Elizabeth Quay railway station | Perth | Rail | 700 | 2,300 | Twin bored tunnels that were built as part of the New MetroRail City Project, used by Yanchep and Mandurah line services |
| Wungong Tunnel | | Wungong Dam to Perth | Darling Scarp | Water supply | 3,700 | 12,100 | |