These Regulations replace the M275 and M27 Motorway (Speed Limit) Regulations 2005 following the construction of a new junction (the Tipner Interchange) and impose speed limits of 50 m.p.h and 60 m.p.h. on specified lengths and slip roads of the M275 Motorway and the M27 motorway at Portsmouth. It also creates a bus lane on a specified length of the M275 motorway and its southbound entry slip road from the Tipner Interchange. A full regulatory impact assessment has not been produced for this instrument as it has no significant effect on business, charities, voluntary bodies or the public sector.