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 damaged vehicles, was fully extended. The width was and the height was . It weighed either (M32, M32B1, and M32B3), or (M32B2) depending on the model. The engine varied between which variant of the M4 Sherman it was based upon, so the M32 and M32B1 model had a Continental R975-C1 or -C4 9 cylinder radial gasoline engine, running at 2,400 rpm, the M32B2 model had a General Motors 6046 twin diesel engine; running at 2,100 rpm, and the M32B3 model had a Ford GAA V8 gasoline engine running at 2,600 rpm. The engines varied depending on the variant of the