5. c. 50) was an act of the Parliament of the United Kingdom introduced by the Minister of Transport, Leslie Hore-Belisha.

Speed limits were again raised by the Motor Car Act 1903 which also introduced requirements for registration of vehicles and for driving licences as well as new safety legislation.

The Road Traffic Act 1930 had controversially removed all speed limits for motorcars in a year with record 7,305 road fatalities[n 1] since which the levels of fatalities had increased to 7,343 deaths and 231,603 injuries.

The Salter Report which had been commissioned by the government was published in 1933 and recommended changes to the funding of both road and rail transport.

[2] The Act: The Belisha beacon, named after the Transport Minister, was introduced to clearly identify crossings.