| A10 London to King's Lynn (known as the Great Cambridge Road or the Old North Road) |  | 4% |
 |
| A11 London to Norwich | | 0% |
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| A12 London to Great Yarmouth | | 0% |
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| A13 London to Shoeburyness | | 0% |
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| A14 M1/M6 Catthorpe junction near Rugby to Felixstowe (Originally Royston to Huntingdon) |  | 8% |
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| A15 Peterborough to Hull | | 0% |
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| A16 Stamford to Grimsby | | 0% |
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| A17 Newark to King's Lynn | | 0% |
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| A18 Doncaster to Ludborough | | 0% |
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| A19 Doncaster to Seaton Burn | | 0% |
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| A20 London to Dover | | 0% |
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| A21 London to Hastings | | 0% |
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| A22 London to Eastbourne | | 4% |
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| A23 London to Brighton | | 0% |
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| A24 London to Worthing | | 4% |
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| A25 Wrotham Heath to Guildford | | 0% |
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| A26 Maidstone to Newhaven | | 0% |
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| A27 Pevensey to Whiteparish | | 8% |
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| A28 Margate to Hastings | | 0% |
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| A29 Beare Green to Bognor Regis | | 0% |
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| A30 London to Land's End | | 4% |
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| A31 Guildford to Bere Regis | | 0% |
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| A32 Alton to Gosport | | 0% |
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| A33 Southampton to Reading | | 4% |
|
| A34 Winchester to Salford | | 0% |
|
| A35 Southampton to Honiton | | 0% |
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| A36 Southampton to Bath | | 0% |
|
| A37 Dorchester to Bristol | | 0% |
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| A38 Bodmin to Mansfield | | 4% |
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| A39 Bath to Falmouth | | 0% |
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| A40 London to Fishguard | | 0% |
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| A41 London to Birkenhead | | 0% |
|
| A42 Appleby Magna (M42) to Kegworth(M1) (Originally Reading to Birmingham: taken over by A34) | | 0% |
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| A43 Cherwell Valley to Stamford (formerly Oxford to Market Deeping) | | 0% |
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| A44 Oxford to Aberystwyth | | 0% |
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| A45 Birmingham to Thrapston (Originally to Felixstowe, but eastern section taken over by A14) | | 4% |
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| A46 Bath to Cleethorpes | | 0% |
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| A47 Birmingham to Great Yarmouth | | 0% |
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| A48 Highnam to Carmarthen | | 0% |
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| A49 Ross-on-Wye to Bamber Bridge near Preston | | 0% |
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| A50 Leicester to M1 Junction 22 and Kegworth (M1 Junction 24) to Warrington (formerly Northampton to Warrington) | | 0% |
|
| A51 Kingsbury to Chester | | 0% |
|
| A52 Newcastle-under-Lyme to Mablethorpe | | 4% |
|
| A53 Shrewsbury to Buxton | | 0% |
|
| A54 Chester to Buxton | | 0% |
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| A55 Holyhead to Chester (The North Wales Expressway) | | 0% |
|
| A56 Chester to Broughton (A59) | | 0% |
|
| A57 Liverpool to Lincoln | | 4% |
|
| A58 Prescot to Wetherby | | 0% |
|
| A59 Liverpool to York | | 0% |
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| A60 Loughborough to Doncaster | | 0% |
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| A61 Derby to Thirsk | | 0% |
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| A62 Manchester to Leeds | | 0% |
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| A63 Leeds to Hull | | 0% |
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| A64 Leeds to Scarborough | | 4% |
|
| A65 Leeds to Kendal | | 0% |
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| A66 Workington to Grangetown | | 13% |
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| A67 Bowes (A66) to Crathorne (A19) | | 0% |
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| A68 Darlington to Edinburgh | | 0% |
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| A69 Carlisle to Blaydon | | 0% |
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| A70 Edinburgh to Ayr | | 0% |
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| A71 Edinburgh to Irvine | | 0% |
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| A72 Galashiels to Hamilton | | 0% |
|
| A73 Abington to Cumbernauld | | 0% |
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| A74 Carlisle to Glasgow | | 0% |
|
| A75 Gretna to Stranraer | | 4% |
|
| A76 Dumfries to Kilmarnock | | 4% |
|
| A77 Glasgow to Portpatrick | | 0% |
|
| A78 Prestwick to Greenock | | 0% |
|
| A79 Prestwick to Doonholm | | 0% |
|
| A80 Glasgow to Bonnybridge | | 0% |
|
| A81 Glasgow to Callander | | 4% |
|
| A82 Glasgow to Inverness | | 4% |
|
| A83 Campbeltown to Tarbet | | 4% |
|
| A84 Stirling to Lochearnhead | | 4% |
|
| A85 Oban to Dundee | | 0% |
|
| A86 Spean Bridge to Kingussie | | 0% |
|
| A87 Invergarry to Uig | | 4% |
|
| A88 Larbert to Stenhousemuir (Originally what is now the A9 past Inverness: this explains the rarity of A9xxx numbers in the Highlands) | | 0% |
|
| A89 Newbridge to Glasgow | | 0% |
|
| A90 Edinburgh to Fraserburgh | | 0% |
|
| A91 Bannockburn to St Andrews | | 0% |
|
| A92 Dunfermline to Stonehaven | | 0% |
|
| A93 Perth to Aberdeen | | 0% |
