Special road

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A special road is the official classification of motorways in the United Kingdom. For a road to become a special road, it must have a Statutory Instrument sanctioned under the Highways Act 1980. A road which is not a special road is termed an all-purpose road. The vast majority of the roads in the UK are all-purpose roads. Most special roads are motorways.^[1]

The Special Roads Act 1949[]

The passing of the Special Roads Act 1949 through Parliament allowed the UK to construct roads that were not automatically rights of way for certain types of user. All previous roads were automatically rights of way for all road users, including pedestrians, so it was not possible to build roads designated only for motorised traffic. The Act therefore allowed the construction of motorways.

The Special Roads Act was replaced by the , and later the Highways Act 1980

The first special road[]

The Special Roads Act was first used in the late-1950s to designate the Preston By-pass in Preston, Lancashire, now largely part of the M6 motorway, as a special road.

Classes of traffic[]

Highways Act 1980 Schedule 4: Classes of Traffic for Purposes of Special Roads

Permitted on motorways
Class 1	Class 2	Class 3	Class 4	Class 5	Class 6	Class 7	Class 8	Class 9	Class 10	Class 11
Self-propelled motor vehicles 50cc> and trailers with tyred wheels (min speed 25mph on the level, unladen with no trailer attached)	Abnormal loads, earthmovers, engineering plant, military vehicles, vehicles constructed for use overseas and attached trailers (min speed 25mph on the level, unladen with no trailer attached)	Pedestrian-controlled motor vehicles	All motor vehicles not described in classes 1, 2, 3, 10 & 11	Animal-drawn vehicles	Vehicles not described in classes 7 & 9 drawn or propelled by pedestrians	Pedal cycles	Animals (ridden, led or driven)	Pedestrians, baby carriages and dogs on a lead	Motorcycles <50cc	Invalid carriages

Non-motorway special roads[]

Although the majority of special roads in the UK are also motorways, there are a number of special roads that are not motorways. Quite a number of these are toll bridges, and several others are former motorways which have since been downgraded. In order to charge a toll on a newly built road, special road regulations are usually necessary.

In addition, a small number of non-motorway special roads are relatively newly built dual-carriageway roads, such as the A1 Dual Carriageway east of Edinburgh and parts of the A720 Edinburgh bypass, or parts of the A55 in North Wales. These particular roads have many of the same regulations as motorways, apart from the speed limit regulations, since that only applies to special roads which are also motorways. The usual speed limit regulations that apply to all-purpose roads do not apply to special roads, so a non-motorway special road must define a speed limit as part of its Statutory Instrument.

References[]