What does A and B mean on motorway signs?


What does A and B mean on motorway signs? How do you read a motorway marker post? The first line of the blue motorway marker posts tells you the name of the road you're travelling on (e.g. 'M25'). The second line tells you the direction you're travelling in (A or B), with A usually referring to north or clockwise, and B referring to south or counter-clockwise.


Is the A1 a motorway or dual carriageway?

Motorways have the “M” designation before or after the road number, such as M1 or A1(M). The addition of the '(M)' means the former dual carriageway (the A1) has been upgraded to motorway status.


What does white C on road mean?

A white version of the symbol is painted on the road in traffic lanes that lead to the Congestion Charge zone, and red-and-white symbols are painted across the road at entry points.


What does the A mean on the m6?

a6 automatic trans 6 speed m6 manual trans with 6 speeds. The letter indicates whether it is automatic or manual. The number is the number of gears.


Why is there no M7?

There is no M7 because there has never been a need to replace the A7 with a motorway. There was an idea in the 1990s to build a new toll road linking Edinburgh and the A74 (M), along the lines of the A702, and the idea was floated that this could take the M7 number.