# The Road Vehicles (Authorisation of Special Types) (General) Order 2003, Paragraph 33

Extent: E+W+S

(1) A mobile crane falling within Category A, B or C must not travel on a motorway, dual carriageway or other description of road at speeds exceeding the speed specified in Table 7 for that Category in respect of the description of road in question.
Table 7
Speed restrictions for Category A, B or C mobile cranes
Category of mobile crane
Motorway
Dual carriageway
Other roads
Category A
60 mph
50 mph
40 mph
Category B
50 mph
45 mph
40 mph
Category C
40 mph
35 mph
30 mph
(2) Nothing in this Schedule is to be taken to authorise travel at—
(a) any speed in excess of any speed restriction imposed by or under any other enactment; or
(b) in the case of a mobile crane referred to in paragraph 2(7) which falls within the recognised category of special vehicles consisting of engineering plant, any speed in excess of those specified in paragraph 20 of Schedule 3.

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Source: https://www.legislation.gov.uk/uksi/2003/1998/schedule/2/paragraph/33 (the official version)
Page: https://openlegislation.uk/road-vehicles-authorisation-of-special-types-general-order-2003/schedule-2/paragraph-33
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.