The M42 motorway is a major road in England that connects the M6 motorway near Birmingham to the M40 motorway near Warwick. It spans approximately 48 miles and serves as a key route for both local and long-distance traffic, facilitating access to various towns and cities in the region. Opened in the 1970s, the M42 is known for its modern features, including variable speed limits and electronic signage to manage traffic flow. It plays a crucial role in the UK's transport network, supporting economic activity and providing vital links to Birmingham Airport and the National Exhibition Centre.