Analysis of information sources in references of the Wikipedia article "Victoria line" in English language version.
potential for a Victoria Line extension to Northumberland Park
Land At Ferry Lane: Construction of new fan house form Victoria Line.
Construction of new ventilation shaft and emergency staircase for Victoria Line.
Demolition and rebuilding of existing headhouse in order to upgrade existing cooling system to Victoria Line.
Demolition and rebuilding of existing headhouse in order to upgrade existing cooling system to Victoria Line.
potential for a Victoria Line extension to Northumberland Park
These trials matured into 'attended ATO'. London's Victoria line was the first into revenue service on 1 September 1968, with Philadelphia's Lindenwold line close behind in January 1969.
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: CS1 maint: multiple names: authors list (link)These trials matured into 'attended ATO'. London's Victoria line was the first into revenue service on 1 September 1968, with Philadelphia's Lindenwold line close behind in January 1969.
Land At Ferry Lane: Construction of new fan house form Victoria Line.
Construction of new ventilation shaft and emergency staircase for Victoria Line.
Demolition and rebuilding of existing headhouse in order to upgrade existing cooling system to Victoria Line.
Demolition and rebuilding of existing headhouse in order to upgrade existing cooling system to Victoria Line.