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How It All Began

Back in the 1930s, car use was increasing, and people were beginning to travel further afield and more frequently. The government realised this, and realised the importance of a simple system of roads that would link the major urban centres. In addition, the upkeep and quality of these major routes seemed to be a little inconsistent, with standards seeming to vary between local authorities.

Only a few years earlier, in 1922, had a numbering system been introduced to make navigating the United Kingdom easier. Previously, you had to know which towns you had to pass through, like a giant road dot-to-dot. Numbering meant that you only needed to remember a couple of roads.

So the government decided that a new system of road classification was needed, one that would highlight the importance of specific roads. By doing so, a strategic network could be established that would link together the major cities, ports and other principal places.

A network of essential routes had already been drawn up by the government previously, as they were already giving councils additional grants for their upkeep. However, with the new network, politicians realised that other roads that were not included needed to be added to the list.

 

The Transport Act 1936

In order to create this network, an Act of Parliament was passed to establish this new tier of road. And so the Trunk Road was born. A series of thirty routes were converted to Trunk Roads, covering the length and breadth of the country. In all, some 4,500 miles of classified road - making up 17% of all "Class I" roads - became the responsibility of the Minister of Transport, Leslie Hore-Belisha.

The Trunk Road network came into force from the 1st April 1937, with Scottish roads transferring on 16th May 1937. With the Act came a new set of responsibilities for the Minister. This meant he and his department, the Ministry of Transport, were responsible for the administrative and financial requirements of the upkeep of the new network.

However, some councils still retained control over the maintenance of the trunk roads. In some areas, the Ministry delegated responsibility to the local council, and also for neighbouring councils upon gaining permission to do so. Basically, if the Ministry wanted Council A to maintain the trunk roads in Council B's area, the Ministry would have to gain written permission from Council B to do so! That responsibility could also be revoked if maintenance was not carried out to a high enough standard.

But to make things confusing, the Ministry could only serve notice of a transfer of control (or to have it revoked) after 1 October of any particular year - and that could only come into force from the following 1 April!

 

Infrastructure

In addition, the Ministry was also permitted to install new lighting and signage, as well as improve existing stock. However, if new lighting was to be erected, the Ministry had to gain permission from the local authority, in order for the supplies to be connected. The Ministry was also permitted to install new signage on other approaching roads to advise of the trunk road.

The Ministry was also responsible for any bridges under or over the trunk road, plus any access roads linking the trunk road with the local road it passes over or under. The department also had to construct or improve any approaches to the bridges, although if they were a local road, their responsibility would pass to the local authority.

 

New Roads

As the Act was being passed through Parliament, a number of new bypasses were in the course of being constructed. These were intended to form part of the new trunk routes, but as the routes had already been decided, they couldn't become trunk roads. It meant that a special Order was placed within the Act, which allowed the Ministry to change the routes of trunk roads to include the new bypasses should they have opened before the Act came into force. The bypassed sections of road would therefore not be trunked and their responsibility would remain with the relevant local authority.

However, for roads built or opened after 1 April 1937, the strange occurrence of both the existing and new road being trunked would take effect. The Ministry would maintain responsibility of the old road until the end of the financial year, and had to ensure the road was maintained to the required standard until that time. Once the financial year ended, the old road could cease to be a trunk route, and responsibility was handed back to the local authority.

 

New Numbers?

During the planning stages, the Ministry suggested that a new numbering system be introduced. The reason for this was to highlight the importance of the new trunk routes, and the Act required all trunk roads to be numbered, so drivers could identify them easily.

So, after some umming and arring, the Ministry decided that trunk roads should receive T-numbers, as they would eventually replace the A-numbers that were currently in place. In the most part, the numbers would stay the same - it would have just been a simple case of swapping the A with a T. Where the existing number changed (such as the A1 to A555, A406, A555 again, A500, A555 once more and back to A1), the whole lot would have received the number that clocked up the greatest mileage (so the A1 would become T1, and so would the A555!).

However, there would be some oddities too - as CBRD's Chris Marshall has discovered, the A41 from Birmingham to Birkenhead would have become T42 (why not just keep the "41" number?) and the Doncaster to Grimsby route would be renumbered from A18 to T22!

The new numbering system was so close to being introduced that the Ministry had even created new signage to depict the trunk roads. Based on the French "Route Nationales", the signs would be marker posts displaying the road number and distance, plus the letters "MT" to denote the road was under the responsibility of the Ministry of Transport. This would make it easier for maintenance crews to find faults and other problems. In effect, they are similar to the small blue signs found on many motorways today!

Yet, the road numbers were never made public, and the renumbering scheme cancelled. The reason, as discovered once again by Chris, was due to the Ordnance Survey creating the National Grid, meaning any point could be located on a map to within a matter of metres. A draft leaflet from the OS was sent by a senior cartographer to a friend. The friend so happened to work in the Minstry! It meant that those crews could be given co-ordinates on a map, thus eliminating the need to put up new signs and confuse Joe Public with new road numbers.

 

The Exceptions

As is the case, there were exceptions to the rule. No road within the County of London, or any other County Borough (or County Burgh in Scotland), was allowed to be trunked. It meant that trunk roads had big gaps in them, where the relevant council maintained responsibility for the roads within it, even if they were of national strategic importance. Trunk roads also ceased to be trunk if the County area was extended to cover additional areas.

 

So where were they?

Well, they are here! No, really, a list of all the original trunk routes is shown below.
You can also download a PDF map of the 1936 network, by clicking here.
Also available is a map of the proposed "T Road" Network; simply click here.

Name of Trunk Road Proposed
T-Road
Number
Existing
A-Road
Number
Description of Route
London - Edinburgh - Thurso T1 A1 London - Barnet Bypass
    A555 Barnet Bypass - North Circular Road
    A406 North Circular Road
    A555 North Circular Road - Page Road
    A500 Page Street - Apex Corner
    A555 Apex Corner - Hatfield
    A1 Hatfield - Newcastle - Edinburgh
    A9 Edinburgh - Inverness - Thurso
       
London - Norwich T11 A11 London - Norwich
       
London - Great Yarmouth T12 A12 London - Ipswich - Great Yarmouth
       
London - Folkestone - Dover T2 or T20 A20 London - Maidstone - Folkestone
    A259 Folkestone - Dover
    A2 Dover - Dover Station
       
London - Brighton T23 A23 London - Crawley - Brighton
       
London - Portsmouth T3 A3 London - Guildford Bypass - Portsmouth
       
Basingstoke - Southampton T33 A33 Dummer Down - Winchester
    A31 Winchester
    A35 Winchester - Chandler's Ford - Southampton
       
London - Penzance T30 A4 London - Hounslow Heath
    A30 Hounslow Heath - Salisbury - Yeovil - Exeter
    A38 Exeter - Plymouth - Bodmin
    A30 Bodmin - Redruth - Penzance
       
London - Bristol T4 A4 London - Reading - Bath - Bristol
       
London - Fishguard T40 A40 London - Oxford Northern Bypass - Gloucester
    A48 Gloucester - Newport - Cardiff - Swansea - Carmarthen
    A40 Carmarthen - Haverfordwest - Fishguard Harbour
       
London - Holyhead T5 A5 London - St Albans - Dunstable - Road Weedon
    A45 Road Weedon - Coventry - Stonebridge
    A452 Stonebridge - Beacon's End
    A47 Beacon's End - Birmingham
    A452 Birmingham - Brownhills Common
    A5 Brownhills Common - Shrewsbury Bypass - Bangor - Holyhead Harbour
       
London - Carlisle - Inverness T6 A500 London - Apex Corner
    A555 Apex Corner - South Mimms
    A6 South Mimms - Luton - Leicester - Derby - Manchester - Preston - Carlisle
    A7 Carlisle - Kingstown
    A74 Kingstown - Lockerbie - Coalgill
    A70 Coalgill - Uddington
    A74 Uddington - Hamilton - Glasgow
    A82 Glasgow - Fort William - Inverness
       
Winchester - Preston T34 A34 Winchester - Sutton Scotney
    A30 Sutton Scotney
    A34 Sutton Scotney - Newbury
    A4 Newbury Town Centre
    A34 Newbury - Oxford - Birmingham - Church Bridge
    A5 Church Bridge - Bridgtown
    A34 Bridgtown - Stoke-on-Trent - Coalpit Hill
    A5011 Coalpit Hill - Lawton Gate
    A50 Lawton Gate - Knutsford - Warrington
    A49 Warrington - Wigan - Preston
       
Birmingham - Birkenhead T42 A45 Stourbridge - Birmingham
    A4123 Birmingham - Wolverhampton
    A41 Wolverhampton - Whitchurch - Chester - Birkenhead
       
Birmingham - Great Yarmouth T47 A47 Birmingham - Nuneaton
    A5 Nuneaton
    A47 Nuneaton - Duddington
    A43 Duddington
    A47 Duddington - Peterborough
    A15 Peterborough Town Centre
    A47 Peterborough - King's Lynn - Norwich - Great Yarmouth
       
Exeter - Leeds T38 A38 Exeter - Taunton - Bristol - Gloucester - Birmingham - Lawton Grange
    A5 Lawton Grange
    A38 Lawton Grange - Burton-upon-Trent - Derby
    A61 Derby - Chesterfield - Sheffield - Barnsley - Wakefield - Leeds
       
Newport - Shrewsbury T49 A4042 Newport - Pontypool
    A472 Pontypool - Pont y Pia
    A4042 Pont y Pia - Coldbrook Park
    A40 Coldbrook Park - Abergavenney
    A465 Abergavenney - Hereford
    A49 Hereford - Leominster
    A44 Leominster Town Centre
    A49 Leominster - Church Stretton - Shrewsbury Bypass
       
Swansea - Manchester T483 A483 Swansea - Penllergaer
    A48 Penllergaer - Fforest
    A483 Fforest - Builth Wells - Welshpool - Gobowen
    A5 Gobowen - Chirk - Plas Offa
    A483 Plas Odda - The Green
    A530 The Green - Ruabon
    A483 Ruabon - Wrexham - Chester
    A51 Chester - Tarvin
    A54 Tarvin - Delamere
    A556 Delamere - Northwich
    A533 Northwich Town Centre
    A556 Northwich - Bowden
    A56 Bowden - Altrincham - Sale - Manchester
       
Chester - Bangor T55 A55 Chester - Colwyn Bay - Bangor
       
Liverpool - Preston - Leeds T59 A59 Liverpool - Ormskirk - Preston - Salmesbury
    A677 Salmesbury - Windmill Inn
    A6063 Windmill Inn - Mellor Brook
    A59 Mellor Brook - Clitheroe - Skipton
    A65 Skipton - Burley-in-Wharfedale
    A659 Burley-in-Wharfedale - Otley
    A660 Otley - Leeds
       
Liverpool - Leeds - Hull T580 A580 Liverpool - Lowton - Irlams o'th' Heights
    A6 Irlams o'th' Heights - Manchester
    A62 Manchester - Oldham - Huddersfield - Leeds
    A63 Leeds - Ledsham
    A1 Ledsham
    A63 Ledsham - Selby
    A19 Selby - Barlby
    A63 Barlby - North Cave - Hesslewood
    A1105 Hesslewood - Hull
       
Sheffield - Grimsby T18 A630 Sheffield - Doncaster
    A18 Doncaster - Scunthorpe Bypass - Brigg
    A15 Brigg - Wrawby
    A18 Wrawby - Grimsby
       
Norman Cross - Grimsby T16 A15 Norman Cross - Peterborough - Market Deeping
    A16 Market Deeping - Boston - Louth - Grimsby
       
Penrith - Middlesbrough T66 A66 Penrith - Bowes - Scotch Corner
    A1 Scotch Corner - Darlington
    A67 Darlington - Stockton-on-Tees
    A19 Stockton-on-Tees Town Centre
    A176 Stockton-on-Tees - Middlesbrough
       
Carlisle - Sunderland T69 A69 Carlisle - Hexham - Corbridge
    A68 Corbridge
    A69 Corbridge - Newcastle-upon-Tyne
    A1 Newcastle-upon-Tyne - Gateshead
    A184 Gateshead - Sunderland
       
Edinburgh - Carlisle T7 A7 Edinburgh - Galashiels - Carlisle
       
Edinburgh - Glasgow T8 A8 Edinburgh - Harthill - Glasgow
       
Gretna - Stranraer - Glasgow T77 A75 Gretna - Dumfries - Stranraer
    - Stirling   A77 Stranraer - Ayr - Kilmarnock - Glasgow
    A80 Glasgow - Stepps - Stirling
       
Tyndrum - Oban T88 A85 Tyndrum - Oban
       
Perth - Aberdeen - Inverness T92 A85 Perth - Dundee Bypass
    A972 Dundee Bypass
    A92 Dundee Bypass - Aberdeen - Toll of Burness
    A952 Toll of Burness - Peterhead - Rathen
    A92 Rathen - Fraserburgh
    A98 Fraserburgh - Banff - Fochabers
    A96 Fochabers - Forres - Inverness

 

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