https://www.railwaycodes.org.uk/electrification/dates.shtm 2026-07-08 https://www.railwaycodes.org.uk/electrification/mast_prefix0.shtm 2024-09-14 https://www.railwaycodes.org.uk/electrification/mast_prefix1.shtm 2026-09-21 https://www.railwaycodes.org.uk/electrification/mast_prefix2.shtm 2026-07-06 https://www.railwaycodes.org.uk/electrification/neutral.shtm 2026-06-01 https://www.railwaycodes.org.uk/electrification/ole_schematic.pdf 2021-05-27 https://www.railwaycodes.org.uk/electrification/tariff.shtm 2021-05-26