Installation of signalling equipment at the north portal of the Queen Street High Level Tunnel on 21st July 2016. Just visible in the highlighted area is the tunnel's OHLE conductor bar recently installed as part of the EGIP electrification work.
Location: Cowlairs Incline
Original line: Edinburgh and Glasgow Railway
Photographer: Colin McDonald
Contact photographer: Colin McDonald
Date: 21/07/2016
Image number: 55858