The Heathrow Link Line
The Heathrow Link Line runs for 5.4 miles between Heathrow Terminal 4 and Heathrow Terminal 5, serving 3 stations, with a top line speed of 80 mph.
See the Heathrow Link Line on the live map
The map draws the line on its own, names every station along it, and shows the trains running on it right now.
The line in numbers
| Length | 5.4 miles end to end |
|---|---|
| Track | about 14 miles, counting every running line |
| Stations | 3 |
| Top line speed | 80 mph |
| Passengers a year | 14.7 million entries and exits across its stations |
Stations on this line
- Heathrow Terminal 42.1 million a year
- Heathrow Terminals 2 & 37.9 million a year
- Heathrow Terminal 54.7 million a year
The busiest station on the line is Heathrow Terminals 2 & 3, 7.9 million entries and exits a year and 60th busiest in Britain.
Passenger figures are the Office of Rail and Road's estimates of station usage for 2024-25, added up across the stations on this line. They count entries and exits at those stations rather than journeys along the line, and a station served by more than one line is counted for each of them.