Hockley Tunnels are two tunnels used by the railway and tram in Hockley, Birmingham, England. Tunnel No. 1 is 136 yards (124 m) long and Tunnel No. 2 is 160 yards (150 m) long.[1]
^R.A. Cooke, Track layout Diagrams of the GWR and BR WR - Section 31, West Midlands. R.A. Cooke, 1978, pp. 25–6