M25-style railway takes you from Gatwick to Heathrow in 15 mins
HSR0028 - Evidence on High speed rail: on track?
High Speed 1, UK - HICL
HS1 looks to international rail routes for growth
Y-Shaped British HS2 Program to Connect London and Birmingham by 2026 – The Transport Politic
DB Cargo UK sends heavy freight along HS1 | RailFreight.com
Diagrammatic map showing the planned High speed rail network in Great Britain with proposed "Classic Compatible" rail routes extending to other parts of Britain [2049x2541] : r/MapPorn
Cross City Connect Proposes HS1-HS2 Link | The Anonymous Widower
81 per cent of passengers want more rail routes opened to Europe
Building High Speed 1 (HS1) - Arup
Railfuture | HS1 lessons for HS2
Network Rail High Speed - Network Rail
HS4Air - Wikipedia
High Speed 1 (HS1), United Kingdom - Railway Technology
What HS2 could have learned from HS1's 30 years of success | New Civil Engineer
High Speed 1 Network Project - Railway Technology
Network Rail High Speed Limited Adopts WinCan
Alternative HS1-HS2 link proposed
Proposed line could connect HS1 and HS2 with London airports - International Railway Journal