The M1 or M6 motorway's traveling North-South.
Motorway signs in England have a blue background.
The M42 motorway is a major road in England. The motorway is 55 miles in length and spans Bromsgrove in Worcestershire to Ashby-de-la-Zouch in Leicestershire.
The M6 is the longest motorway in England, stretching 226.7 miles from Rugby in the Midlands through the north-west of England to Gretna on the Scottish border.
M56 is the closest motorway to Manchester Airport. Although the M6 is the main motorway closest to the airport.
The M6 motorway is the main conduit between England's second city (Birmingham) and the heavily populated north-west of England including the cities of Liverpool and Manchester as well as the only major route for road freight between England and Scotland. This very heavy traffic is further constrained by a mostly 3-lane motorway which has frequent junctions that contribute to accidents which cause all too frequent delays.
The A11 isn't a motorway, it's just an ordinary road and runs between London and Norwich. The M11 motorway runs between London and Cambridge.
Spaghetti Junction just north of Birmingham.
The M25 is the motorway that goes around London in England.
According to auto experts, the main causes of motorway accidents are driving too fast and faulty observation. Also, driving too closely is another major cause.
You haven't specified which country you are referring to. As this question has appeared in the 'England' category, I can say that all UK motorway signs are in the colour blue.
The M62 Motorway is located in northern England. It offers access to Liverpool, Salford, Manchester, Bradford, Leeds, Wakefield, and Hull. It is 107 miles long.
The M2 Motorway in Kent, England, is only 25.7 miles long (41.4km). It is extended by the A2 dual carriageway at either end which makes the road longer.