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 motorway Stoke Park estate. The project is part of the North Fringe to Hengrove MetroBus rapid transit route package, and involves creating new slip roads, a connecting route to Stoke Lane and a new bridge over the M32 to be completed by mid-2016. The bridge was lifted into place in June, which required closing the M32 to all traffic. The M32 is a relatively lightly trafficked route compared to neighbouring motorways such as the M4 and M5. In 2001, the average daily traffic flow was 40,400 vehicles northbound and 39,900 southbound, while in 2014, the combined flow for both directions averaged