The system had reached its greatest extent in route mileage and the grand stations had all been built.

This scenario would have seen the route mileage reduced by 39%, and annual passenger-miles reduced by 15%.

The period from the end of the 1930s saw a slow decline in route mileage as unprofitable branches were closed.

The total route mileage of the LMS in 1923 was 7790 miles (12,537 km).

The total route mileage was 6590 miles (10,605 km).

By 1966 the route mileage had been reduced by 4,500 miles and over 2,000 stations closed, a reduction of 44 per cent on the 1962 figure.

At its peak just before World War I, it ran a route mileage of more than 1,500 miles, and employed 111,000 people.

What was the route mileage of Brunel's broad gauge at its peak?

As of 2008, the discontinuous section was reincorporated into the route mileage.

The Southeastern network has a route mileage of 540, with 179 stations.