A10 London to King's Lynn (known as the Great Cambridge Road or the Old North Road) |  | 4% |
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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% |
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A34 Winchester to Salford | | 0% |
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A35 Southampton to Honiton | | 0% |
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A36 Southampton to Bath | | 0% |
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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% |
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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% |
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A51 Kingsbury to Chester | | 0% |
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A52 Newcastle-under-Lyme to Mablethorpe |  | 4% |
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A53 Shrewsbury to Buxton | | 0% |
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A54 Chester to Buxton | | 0% |
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A55 Holyhead to Chester (The North Wales Expressway) | | 0% |
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A56 Chester to Broughton (A59) | | 0% |
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A57 Liverpool to Lincoln |  | 4% |
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A58 Prescot to Wetherby | | 0% |
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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% |
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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% |
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A73 Abington to Cumbernauld | | 0% |
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A74 Carlisle to Glasgow | | 0% |
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A75 Gretna to Stranraer |  | 4% |
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A76 Dumfries to Kilmarnock |  | 4% |
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A77 Glasgow to Portpatrick | | 0% |
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A78 Prestwick to Greenock | | 0% |
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A79 Prestwick to Doonholm | | 0% |
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A80 Glasgow to Bonnybridge | | 0% |
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A81 Glasgow to Callander |  | 4% |
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A82 Glasgow to Inverness |  | 4% |
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A83 Campbeltown to Tarbet |  | 4% |
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A84 Stirling to Lochearnhead |  | 4% |
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A85 Oban to Dundee | | 0% |
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A86 Spean Bridge to Kingussie | | 0% |
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A87 Invergarry to Uig |  | 4% |
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A88 Larbert to Stenhousemuir (Originally what is now the A9 past Inverness: this explains the rarity of A9xxx numbers in the Highlands) | | 0% |
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A89 Newbridge to Glasgow | | 0% |
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A90 Edinburgh to Fraserburgh | | 0% |
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A91 Bannockburn to St Andrews | | 0% |
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A92 Dunfermline to Stonehaven | | 0% |
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A93 Perth to Aberdeen | | 0% |