# The Road Vehicles (Construction and Use) Regulations 1986, Regulation 25: Tyre Loads and Speed Ratings

Extent: E+W+S

(1) Save as provided in paragraphs (3), (4), (7A) and (7B) any tyre fitted to the axle of a vehicle–
(a) which is a class of vehicle specified in an item in column 2 of Table I; and
(b) in relation to which the date of first use is as specified in that item in column 3 of that Table;
shall comply with the requirements specified in that item in column 4 of that Table.
TABLE I
(regulation 25(1))
1
2
3
4
Item
Class of vehicle
Date of first use
Requirements
1
Vehicles which are of one ormore of the following descriptions, namely–
(a)goods vehicles,
(b)trailers,
(c)buses,
(d)vehicles of a class mentioned in column 2 in Table III
Before 1st April 1991
The requirements of paragraphs (5) and (6)
2
Vehicles which are of one ormore of the following descriptions–
(a)goods vehicles,
(b)trailers,
(c)buses,
(d)vehicles of a class mentioned in column 2 in Table III,
and do not fall within item 3 below
On or after1st April 1991
The requirements of paragraphs (5), (6) and (7)
3
Vehicles of a class mentioned in paragraph (2)
On or after1st April 1991
The requirements of paragraph (5)
(2) The classes of vehicle referred to in item 3 in column 2 of Table I are–
(a) engineering plant;
(b) track-laying vehicles;
(c) vehicles equipped with tyres of speed category Q;
(d) works trucks; and
(e) motor vehicles with a maximum speed not exceeding 30 mph, not being vehicles of a class specified in–
(i) items 2 and 3 of Table II; or
(ii) paragraph (7A) or sub-paragraphs (a) to (d) of this paragraph;
or trailers while being drawn by such vehicles.
(3) Paragraph (1) shall not apply to any tyre fitted to the axle of a vehicle if the vehicle is–
(a) broken down or proceeding to a place where it is to be broken up; and
(b) being drawn by a motor vehicle at a speed not exceeding 20 mph.
(4) Where in relation to any vehicle first used on or after 1st April 1991 a tyre supplied by a manufacturer for the purposes of tests or trials of that tyre is fitted to an axle of that vehicle, paragraph (7) shall not apply to that tyre while it is being used for those purposes.
(5) The requirements of this paragraph are that the tyre, as respects strength, shall be designed and manufactured adequately to support the maximum permitted axle weight for the axle.
(6) The requirements of this paragraph are that the tyre shall be designed and manufactured adequately to support the maximum permitted axle weight for the axle when the vehicle is driven at the speed shown in column 3 in Table II in the item in which the vehicle is described in column 2 (the lowest relevant speed being applicable to a vehicle which is described in more than one item).
TABLE II
(regulation 25(6))
1
2
3
4
Item
Class of vehicle
Speed (mph)
Variation to the load-capacity index expressed as a percentage
Tyres marked in accordance with ECE Regulation 30, 30.01 or 30.02 and relevant car tyres
Tyres marked in accordance with ECE Regulation 54 and relevant commercial vehicle tyres
1
A vehicle of a class for which maximum speeds are prescribed by Schedule 6 to the 1984 Act other than an agricultural motor vehicle
The highest speed so prescribed
Single wheels: none
None
Dual wheels: 95.5%
2
An electrically propelled vehicle used as a multi-stop local collection and delivery vehicle and having a maximum speed of not more than 25 mph
The maximum speed of the vehicle
None
150%
3
An electrically propelled vehicle used as a multi-stop local collection and delivery vehicle and having a maximum speed of more than 25 mph and not more than 40 mph
The maximum speed of the vehicle
None
130%
4
An electrically propelled vehicle used only within a radius of 25 miles from the permanent base at which it is normally kept and having a maximum speed of more than 40 mph and not more than 50 mph
The maximum speed of the vehicle
None
115%
5
A local service bus
50
None
110%
6
A restricted speed vehicle
50
None
The relevant % variation specified in Annex 8 to ECE Regulation 54 or Appendix 8 to Annex II to Community Directive 92/23
7
A low platform trailer , an agricultural motor vehicle, an agricultural trailer, an agricultural trailed appliance or an agricultural trailed appliance conveyor
40
None
The relevant % variation specified in Annex 8 to ECE Regulation 54 or Appendix 8 to Annex II to Community Directive 92/23
8
A municipal vehicle
40
None
115%
9
A multi-stop local collection and delivery vehicle if not falling within the class of vehicle described in items 2 or 3 above
40
None
115%
10
A light trailer or any trailer equipped with tyres of speed category F or G
60
Single wheels: 110%
The relevant variation specified in Annex 8 to ECE
Dual wheels: 105%
Regulation 54 or Appendix 8 to Annex II to Community Directive 92/23
11
A trailer not falling in items 6–10
60
Single wheels: none
None
Dual wheels: 95.5%
12
A motor vehicle not falling in items 1–11
70
Single wheels: none
None
Dual wheels: 95.5%
(7) The requirement of this paragraph is that the tyre when first fitted to the vehicle was marked with a designated approval mark or complied with the requirements of ECE Regulation 30, 30.01, 30.02 or 54, or, in the case of a retreaded tyre, with the requirements of ECE Regulation 108 or 109.
(7A) The requirements of paragraphs (6) and (7) shall not apply to any tyre fitted to the axle of a vehicle of a class specified in an item in column 2 of Table III while the vehicle is being driven or drawn at a speed not exceeding that specified in that item in column 3 of that Table.
TABLE III
(regulation 25(7A))
1
2
3
Item
Class of vehicle
Speed ...
1
Agricultural motor vehicles other than category T tractors
20 mph
2
Agricultural trailers
40 km/h
3
Agricultural trailed appliances
20 mph
4
Agricultural trailed appliance conveyors
20 mph
5
Works trailers
18 mph
6
Category T tractors
40 km/h
(7B) Paragraph (7C) applies where a tyre fitted to the axle of a vehicle—
(a) bears a speed category symbol and load–capacity index, being marks that were moulded on to or into the tyre at the time that it was manufactured;
(b) is designed and manufactured so as to be capable of operating safely at the speed and load indicated by those marks; and
(c) is designed so as to be capable of being fitted to the axle of a vehicle of a class specified in item 1, 2, 3 or 4 in column 2 of Table III above.
(7C) In the circumstances mentioned in paragraph (7B), paragraph (7) shall not apply to the tyre if—
(a) the vehicle is being driven or drawn at a speed that does not exceed the speed indicated by the speed category symbol or 50 mph (whichever is the less), and
(b) the load on the tyre does not exceed the load indicated by the load–capacity index.
(8) A vehicle of a class described in column 2 in Table II first used on or after 1st April 1991 shall not be used on a road–
(a) in the case where there is no entry in column 4 specifying a variation to the load-capacity index expressed as a percentage, if the load applied to any tyre fitted to the axle of the vehicle exceeds that indicated by the load-capacity index; or
(b) in the case where there is such an entry in column 4, if the load applied to any tyre fitted to the axle of the vehicle exceeds the variation to the load-capacity index expressed as a percentage.
(9) In this regulation–
“designated approval mark” means the marking designated as an approval mark by regulation 5 of the Approval Marks Regulations and shown at item 33 in Schedule 4 to those Regulations (that item being a marking relating to Community Directive 92/23);
“dual wheels” means two or more wheels which are to be regarded as one wheel by virtue of paragraph 7 of regulation 3 in the circumstances specified in that paragraph;
“load-capacity index” has the same meaning as in paragraph 2.28 of Annex II to Community Directive 92/23 or paragraph 2 of ECE Regulation 30.02 or ECE Regulation 54, or as “load index” in paragraph 2 of ECE Regulation 108 or ECE Regulation 109;
“local service bus” means a bus being used in the provision of a local service as defined in section 2 of the Transport Act 1985;
“municipal vehicle” means a motor vehicle or trailer limited at all times to use by a local authority, or a person acting in pursuance of a contract with a local authority, for road cleansing, road watering or the collection and disposal of refuse, night soil or the contents of cesspools, or the purposes of the enactments relating to weights and measures or the sale of food and drugs;
“multi-stop local collection and delivery vehicle” means a motor vehicle or trailer used for multi-stop collection and delivery services to be used only within a radius of 25 miles from the permanent base at which it is normally kept;
“single wheels” means wheels which are not dual wheels; and
“speed category” has the same meaning as in paragraph 2.29 of Annex II to Community Directive 92/23 or paragraph 2.28 of ECE Regulation 54.
(9A) For the purposes of this regulation, a tyre is a “relevant car tyre” if—
(a) it has been marked with a designated approval mark, and
(b) the first two digits of the approval number comprised in the mark are “02”.
(9B) For the purposes of this regulation, a tyre is a “relevant commercial vehicle tyre” if—
(a) it has been marked with a designated approval mark, and
(b) the first two digits of the approval number comprised in the mark are “00”.
(10) In this regulation any reference to the first use shall, in relation to a trailer, be construed as a reference to the date which is 6 months after the date of manufacture of the trailer.

---
Source: https://www.legislation.gov.uk/uksi/1986/1078/regulation/25 (the official version)
Page: https://openlegislation.uk/road-vehicles-construction-and-use-regulations-1986/regulation-25
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.

