The Lawrence Weston Interchange is a complex junction between the M5, M49 and Avonmouth Spur, which leads to the A4. For the M5, it is both Junction 18 and Junction 18A on the M5, but has no junction number on the M49.
Summary. English: M5 junction 29 near Exeter Here the A30 from the east (bottom of the photo) passes under the M5 on the outskirts of Exeter. The Sowton industrial estate (to the left of the picture takes advantage of the excellent access routes of the motorway and dual carriageway.