At Twyford, the running speed is 125 mph on the fast lines, and 60 mph ( 90 mph for the Class 166s ) on the relief lines.
42.
Main Line platforms 4 & 5 became 7 & 8 while Relief line platforms 8 & 9 became 9 & 10, with the North bay becoming 11.
43.
The Down Relief line was removed altogether when West Depot closed sometime after the opening of a new depot at St Philips Marsh to service High Speed Trains.
44.
The CBD Relief Line would have connected to the existing network via the " Main " pair of tracks of the Main Suburban line at the Illawarra Junction.
45.
What used to be the westbound relief line at Bedminster was converted into a carriage siding, and is used to stable trains to avoid clogging the platforms at.
46.
The relief line was finally removed in 1934, thus providing room on the formation for further improvements to the alignment for the two main lines some years later.
47.
Metrolinx has also completed a detailed benefits case analysis for the Downtown Relief Line, exploring the potential of constructing a subway instead of the Don Mills LRT to station.
48.
Passenger and freight trains transferring between the Reading to Taunton Line and Reading to Basingstoke Line and the relief lines had to cross the Main lines and block express trains.
49.
A consequence of their removal is that when the relief lines are closed for engineering work, local stopping services cannot call at Pangbourne, and a replacement bus service is required.
50.
As part of the 2011 Network plan, the Relief Line was proposed to run between Union Station, the Rogers Centre ( then known as the SkyDome ) and Spadina Avenue.