From 1928 the London, Midland and Scottish Railway offered "door to door" intermodal road-rail services using these containers.

The London, Midland and Scottish Railway extended the network in 1927 by electrifying the branch to Rickmansworth.

The London, Midland and Scottish Railway absorbed all the local railways in the 1923 grouping.

The line became part of the London, Midland and Scottish Railway (LMS) in 1923.

Until 1932 the London, Midland and Scottish Railway also continued to build its Class 2P of traditional inside cylinder 4-4-0s for secondary passenger working.

In 1923 the line became part of the London, Midland Scottish Railway.

Despite a statutory duty to maintain the canal, the London, Midland and Scottish Railway decided to abandon it.

At the end of the 1935 season the London, Midland and Scottish Railway took over the company, maintaining the same colour scheme.

The London, Midland and Scottish Railway closed Wolvercote Halt in 1926.

The London, Midland and Scottish Railway replaced the timber decking in 1923.