| skos:altLabel | - Great Britain
- rail network
- national network
- NR
- British Rail
- mainline
- National Rail
- national railway network
- national rail network
- Network Rail
- Control Period
- Control Period 5
- GRIP
- ''Network'' Rail
- 20 (mainly large termini and central stations) are managed directly by it
- Control Period 3
- Control Period 4
- GRIP 2
- GRIP 4
- GRIP Stage 3
- High Level Output Specification
- High Level Output Specification (HLOS)
- Network Rail (High Speed)
- Network Rail Infrastructure Limited
- Network Rail infrastructure
- Network Rail#Assets
- Network Rail#Control periods
- Network Rail#Route plans
- Network Rail#Telecoms assets
- Network Rail#The GRIP process
- Network Rail's
- Rail Response
- Route Plan
- United Kingdom's rail network
- \"single option development\"
- control period
- main-line railway of Britain
- mainline railway system
- mainline standard
- mainline standards
- modern British railway network
- railway staff
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