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# Motorway junctions

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Where are motorway junctions numbered from???? Read More
7y, 2w agoPosted 7 years, 2 weeks ago
Where are motorway junctions numbered from????
7y, 2w agoPosted 7 years, 2 weeks ago
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(12)
#1
the beginning? ie: Numb 1?:thumbsup:
#2
#3
a1 junction 1 is South mimms services in london.
#4
[FONT=Trebuchet MS, arial, helvetica, sans-serif][SIZE=2][COLOR=Black]http://www.bbc.co.uk/dna/h2g2/A10607267[FONT=Trebuchet MS, arial, helvetica, sans-serif][/FONT]
[FONT=Trebuchet MS, arial, helvetica, sans-serif][SIZE=4]Which Motorway Am I On? A Guide to Numbering[/SIZE][/FONT]
All motorways have an M-number. The first rule in motorway numbering is that if the motorway was built as a relief road for an A-road, it takes the number of that A-road. For example, the M2 was built as a relief road for the A2. One obvious exception to this is the M5 which was originally built as a relief road for the A38 but was deemed important enough to have a single digit number. It was thus given the number five as the A5 already had a relief road in the M1.
The second rule is that the single-digit road numbers mark out sections of the country which then determine the numbering of other motorways in the country.
[LIST=1]
[*]Take a map of Great Britain. Mark on it the River Thames and the Scottish border.
[*]Draw on the M1. Everything in England to the east of the M1, and north of the Thames is in Zone 1. We'll come to what the zones mean soon.
[*]Draw on the M3. Everything south of the Thames and east of the M3 is in zone 2.
[*]Now draw on the M4. Everything between the M3 and M4 is in zone 3.
[*]If you aren't getting the hang of this yet, zone 4 contains everything north of the M4 but south of the M5.
[*]Zone 5 gets everything north of the M5 but west of the M6.
[*]The zone to the east of the M6 and west of the M1 is zone 6. This finishes at the Scottish border.
[*]Mark the zone north of the Scottish border but south of the M8 as zone 7.
[*]Zone 8 is north of the M8, but west of the M9.
[*]The rest of Scotland is in zone 9.[/LIST]The first digit of the motorway is based on the furthest anti-clockwise motorway zone on the zone diagram that the motorway travels though. For example, the M56 runs from zone 5 into zone 6.
To every rule there are exceptions; some have reasons, others don't. The M62 was never meant to go into zone 5. It was originally designed to loop round Manchester (with another motorway, the M52, running between Liverpool and Manchester) so it was numbered in zone 6. However, it was thought that this would give the M62 a silly shape, so it went all the way across to Liverpool instead, taking it into zone 5. Likewise the M65, which only just stretches over the M6. The M271 was numbered to make it clear it was a spur road from the M27, while the M48 used to be part of the M4. The M25 and M49 don't have excuses.
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banned#5
Wtf!.
#6
For the M1 Motorway:)
#7
This has to be a wind up?
#8
Well you might think it is simple and it should be but when they built the M27 they built the start and the end bit but didnt do the middle bit for some years after.... The clever bods who numbered the Junctions then found it was wrong and we now have no J6, (check it out!)
#9
Perhaps I did not pose my question correctly, when I drive to work I head South and the junctions I pass are 32, 31 and 30, when I drive home (heading North) I pass junctions 30, 31 and 32. Can I assume from this that Motorway Junctions are numbered from South to North? If so where are the Junctions numbered from on Motorways which are at right angle to South - North? :?
#10
MikeL
Perhaps I did not pose my question correctly, when I drive to work I head South and the junctions I pass are 32, 31 and 30, when I drive home (heading North) I pass junctions 30, 31 and 32. Can I assume from this that Motorway Junctions are numbered from South to North? If so where are the Junctions numbered from on Motorways which are at right angle to South - North? :?

I would assume that they are numbered heading away from the main city? The M11, M1, M3 and M4 all start from junction 1 travelling from London, I think? (can't be bothered to check LOL!) The M25 goes clockwise I think, from Dartford Tunnel. :thumbsup:
#11
Mrs.Z;8570630
I would assume that they are numbered heading away from the main city? The M11, M1, M3 and M4 all start from junction 1 travelling from London, I think? (can't be bothered to check LOL!) The M25 goes clockwise I think, from Dartford Tunnel. :thumbsup:

Thanks for your imput ... not sure if that clears it up or not!! Which major city(s) does the M6 run from/to?:?
#12
MikeL
Thanks for your imput ... not sure if that clears it up or not!! Which major city(s) does the M6 run from/to?:?

The M6 starts from the M1

The M5 starts from Birmingham, going South