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Cardiff Council

Traffic regulation orders

​​​​​​​A traffic regulation order (TRO) is a legal document that lets us regulate use of the highway.

TROs apply to the regulation of speed, weight, movement and parking of vehicles, as well as regulating pedestrian movement and cycling. 

View our proposed traffic regulation orders (TROs). ​

Creating a TRO is a lengthy and costly legal process, which means they can often take between 12 and 18 months to deliver. Complex TROs can take longer. 

If we need to change or remove a TRO, we must follow the same procedure we used to create the TRO.

Request a traffic regulation order (TRO)​

Following the completion of the proposal consultation must be undertaken. This will require obtaining the views of the Emergency Services, Public Transport Associations, Local Ward Members, and local public transport operators.

Where a proposal involves highway modification or a significant impact to road users Local interest groups such as residents, traders and community groups, who are likely to be affected by the proposals, may also be consulted where appropriate. The proposal may then be amended following consultation.

The TRO advertisement includes a notice in the local press and a Deposit Document, this can be viewed at the offices of the City Solicitors at County Hall, Atlantic Wharf for up to three weeks from the start of the proposal advertisement. We will endeavour to display public notices in any roads, where changes may take place, and deemed appropriate.

Representations to the proposals must be made in writing, with grounds, to the address specified in the notice during a minimum 21 day notice period. When considering the representations Officers must make recommendations to (a) allow the scheme to proceed as advertised, (b) modify the scheme, or (c) not progress it. These recommendations are then considered by the Operational Manager for Strategic Planning Highways Traffic and Transport for a final decision in the form of an Officer Decision Report.

The TRO can then be formally sealed providing all standing representations have been considered. Modifications to the proposals resulting from representations could require extended consultation. This procedure can take months to complete and the advertising and legal fees can be substantial.

The Order will be advertised in the local press again and people who have made representations to the scheme will receive notification that the Order has been made from Legal Services. From the date specified in the advertisement the Order will then become enforceable.

Subject to Schedule 9 Part VI of the Road Traffic Regulation Act 1984, any person wishing to question the validity of the Order or any of the provisions in it on the grounds that the Order is not within the relevant powers or that any of the relevant requirements or regulations made hereunder have not been complied with in relation to the Order, may within six weeks from the date on which the Order is made, make an application for that purpose to the High Court.

© 2022 Cardiff Council