What Tunnel one has Imperial Length 307 yd?
County Tunnel Type Length (Imperial) Date of opening
List of tunnels in the United Kingdom
166444
text text text text text
2-166444-3
Northern Ireland
Northern Ireland
Londonderry Castlerock Rail 668 yd 1845 - 1853
Londonderry Downhill Rail 307 yd 1845 - 1846
Armagh Lissummon Rail 1759 yd early 1860s
Down Binnian Tunnel Aqueduct 2.5 miles 1948 - 1952
Antrim Whitehead Rail 145 yd 1862 - 1994
Tyrone Dungannon Rail 800 yd 1862
SELECT Tunnel FROM table WHERE Length (Imperial) = 307 yd
307 yd