Disused tunnels database

Disused tunnels database

Research to expand our database of disused tunnels continues to pay dividends. Many thanks to those of you who have sent in contributions. If you can help with any details, omissions or corrections, please click the ‘contact us’ link in the sidebar to get in touch.

By clicking on the relevant column header, the database can be sorted by name, yardage, company or opening/closure dates. Hover over the abbreviated company name to see the full version. New tunnels are highlighted by a red tip; modified entries are in orange. More information or pictures – where available – is provided via the Link button.

Tunnels which were opened out either during or after the railway’s period of operation are excluded. Only those that still exist – even if now buried – are listed.

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• (g) length determined using historical maps and Google Earth’s measuring tool
• ~ scaled length/approximate year
• ? evidence uncertain
• < earlier than/less than
• > later than/more than

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Click here to search the database by map. Each tunnel is marked at the midpoint of a straight line drawn between its portals (which can prove deceptive if the tunnel is curved). No buried tunnels are shown.

Most of the tunnels on the database can be viewed in GoogleEarth by opening a .kml file developed by Antony Badsey-Ellis. Download the ZIP to your hard disk by clicking here, then extract the .kml and open it using GoogleEarth.

Current total: 628

The Ms (33)

Tunnel Name(s)	Company	Yards	Trks	Open	Closed	Portal		Link
M18
M18	Mot/BR	80(g)~	2	1966	1966
Maldon West
Maldon West	GE	66	1	1889	1959
Malmesbury
Malmesbury	Malm	105	1	1877	1962
Manchester Docks Branch
Manchester Docks Branch	LNW	46(g)	1	1895	>1955
Manchester Road
Manchester Road	GN	312	2	1876	1972
Mansfield Road
Mansfield Road	GC	1189	2	1898	1968
Mansfield Road
Mansfield Road	Mid	121~	1	1901	1955
Mapperley
Mapperley	GN	1132	2	1876	1960
Marlborough (Savernake)
Marlborough (Savernake)	M&SWJ	647	2	1898	1964
Marsh Lane Station
Marsh Lane Station	Mid	50(g)	2	1885	1968
Marteg (Gilfach/St Harmons)
Marteg (Gilfach/St Harmons)	MidW	372	1	1864	1962
Mayfield
Mayfield	LBSC	91~	2	1880	1965
Meal Bank
Meal Bank	MBQT	24(g)	1	1893	1910?
Merkland Street
Merkland Street	L&D	153(g)	2	1896	1978
Merley
Merley	Sn&Dr	36(g)	2	1847	1977
Merthyr (Abernant)
Merthyr (Abernant)	VoN	2497	1	1853	1962
The westernmost 220 yards of Merthyr Tunnel was built to accommodate two tracks.
Mickleover
Mickleover	GN	464	2	1878	1968
Although officially closed in 1968, the tunnel formed part of a BR Research Division test track until a final train ran on 26th November 1971.
Midhurst
Midhurst	MS&MJ	276	1	1866	1964
Midway
Midway	Mid	104	1	1880	1966
Mierystock
Mierystock	S&W	242	1	1874	1956
The northern portal was buried during the 1970s but excavated in 2007.
Mill Hill
Mill Hill	IoWC	208	1	1862	1966
Moelwyn (Old)
Moelwyn (Old)	Fest	730	1	1842	1946
Monks Ferry
Monks Ferry	C&B	371	2	1844	1966
Evidence suggests that, when first constructed, Monks Ferry Tunnel was ~477 yards long.
Monmouth
Monmouth	CMU&P	148	2	1857	1964
Morcott
Morcott	LNW	448	2	1851	1966
Morice Yard
Morice Yard	DD	367	1	1877	1982
Morlais (Miler)
Morlais (Miler)	LNW	1037	2	1879	1958
Morley
Morley	GN	238	2	1878	1968
Morwellham
Morwellham	DGC	124(g)	1	1858	1903
Moseley Green
Moseley Green	S&W	503	1	1872	1951
Mosesfield (Balornock)
Mosesfield (Balornock)	Cal	88	1	1894	1965
Mossdale Head
Mossdale Head	Mid	245	1	1878	1959
Mount Pleasant
Mount Pleasant	SV	123	1	1862	1970