M4 motorway not signed, European route E30 includes most of the M4. The M4 has two sections of smart motorway. The one between junctions 19 (M32) and 20 (M5) north of Bristol has variable speed limits and a part-time hard-shoulder. Completion was in summer 2014. The section between junctions 24 and 29 in Newport has variable speed limits. In 2010 it was announced that a smart motorway would be constructed between junctions 3 and 12, with work starting in Autumn 2018. This will be the longest smart motorway scheme in the United Kingdom, with a length of 51km (32 miles). Work is
M32 Tank Recovery Vehicle the M32 was started by Lima Locomotive, which converted five M32B2s in June 1943. They also intermittently produced 26 M32B3s in May 1944, followed by 20 more vehicles in the summer of 1944. Pressed Steel Car produced 163 M32s and 475 M32B1s from December 1943 to December 1944. Pressed Steel Car also converted 298 M4A3 Shermans into M32B3s between May and December 1944. Baldwin Locomotive Works and Federal Machine were licensed to produce M32 variants in November 1944. Baldwin Locomotive Works produced 195 M32B1s before June 1945 and the latter produced 385 M32B1s before May of that year. In total,