M32 motorway The M32 was planned to be a key radial link through to the hub of a network of radial and ring roads within a rectangle encompassing Bristol. Other bounds of this scheme were parts of the M4 (north eastern side), the M5 (north western side) and the tidal reaches of the River Avon (south western side), the south eastern side not being defined by landmarks. The motorway was partly funded by Gloucestershire County Council and Bristol City Council, with a 75 per cent grant supplied by the national Ministry of Transport. It was provisionally called the Hambrook Spur or the
M4 Tractor of which are still in service. The original Finning Tank Drill was replaced by the M32F and M40F Tank Drills, which used larger Sherman tank carriers. At Amsterdam Airport Schiphol in the Netherlands, at least two refurbished M4s were used by the airport fire brigade in the 1960s and '70s. M4 Tractor The M4 High-Speed Tractor was an artillery tractor used by the US Army from 1943. The M4 was based on the chassis and drive train of the obsolescent M3 Light Tank which introduced the trailing idler. One variant was designed to tow the 3-inch or 90 mm anti-aircraft