Portable traffic signal

Page updated on: 23/10/2024

You will need to complete an application whenever portable traffic signal control are to be used on the highway. You need to allow a minimum of 14 days for us to process your application.

Trunk roads are processed by Welsh Government and you need to allow a minimum of a month for your application to be processed. 

You will need to provide the following information: 

  • Start date 
  • Finish date 
  • Hours of operation
  • Location of works
  • Road Number 
  • O.S Grid ref
  • Junctions - Copy of a plan showing the positions of the signal heads.
  • Details of the proposed timings.
  • Multiphase signal control - Multiphase timings, number of signal heads and copies of site plans and location plans showing position of signal heads.
    • You only need to include this information if your site has multiphase signal control and/or junctions. 

Apply for portable traffic signals

All applications for the use of Portable Traffic Signals on a trunk road must be returned by post or email to the South Wales Trunk Road Agency.

E-mail: enquiries@southwales-tra.gov.uk

Post: South Wales Trunk Road Agency, Unit 12, Llandarcy House, The Courtyard, Llandarcy, Neath, SA10 6EJ

Apply for portable traffic signals (pdf.)

Under no circumstances should portable traffic signals be used at works which straddle a railway level crossing, nor to control road traffic within 200 meters of a level crossing equipped with twin red traffic signals.

The advice of the railway / transport authority MUST be sought and confirmation of approval with street works section must be made prior to work commencing in the vicinity of railway crossings.

In an emergency situation, submit your application by e-mail streetcare@carmarthenshire.gov.uk

Contact us immediately on: 01267 224507 / 224508 / 224509.

Out of hours phone: 03003 332222.

For trunks roads phone: 08456 026020.

You must also notify Dyfed Powys Police, phone 101 / 999.

apply for portable traffic signals (pdf.)