20mph Phase 1 - Air Quality Monitoring Report
Contact details for this report
Geospatial and Strategic Transport Analysis Unit
All updates
Update: Incident due to a shortage of train crew between Carmarthen (CMN) and Pembroke Dock (PMD) until 18:00.
Update: Incident due to a shortage of train crew between Carmarthen (CMN) and Pembroke Dock (PMD) until 18:00.
Due to a shortage of train crew between Carmarthen (CMN) and Pembroke Dock (PMD):
Services may be cancelled in both directions between Carmarthen (CMN) and Pembroke Dock (PMD).
We expect the incident to last until 18:00 and disruption to services is expected from 11:30 until 18:00.
Due to a shortage of train crew, fewer trains are able to run between Carmarthen and Pembroke Dock between 11:30 and 18:00.
Our services between Carmarthen and Pembroke Dock are disrupted in both directions.
We expect the incident to be cleared by 18:00. Train services will be disrupted until 18:00.
Alternative Travel Options:
We have organised buses to run between Swansea/Carmarthen and Pembroke Dock and to assist customers to complete journeys where possible at no extra cost. These will arrive at approximately:
Swansea/Carmarthen to Pembroke Dock
- 11:45 Carmarthen calling all stops to Pembroke Dock, provided by Coracle.
- 14:00 Carmarthen calling all stops to Pembroke Dock, provided by Davies and Glyns.
- 14:58 Swansea calling all stops to Carmarthen. This service will then set down customers as required to Pembroke Dock.
Pembroke Dock to Carmarthen/Swansea
- 14:07 Pembroke Dock calling all stops to Swansea, provided by Coracle.
- 16:07 Pembroke Dock calling all stops to Swansea, provided by Davies and Glyns.
- 18:16 Pembroke Dock calling all stops to Swansea, provided by Cymru and Davies.
These arrangements are in place on services until 18:00
Road Transport will take longer than rail services. Please allow extra time to complete your journey.
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please visit National Rail’s https://www.nationalrail.co.uk/travel-information/rail-replacement-services/
Calling points for road transport may be found on station information posters and https://tfw.wales/places/stations
Please check back here for more information shortly. We apologise for the disruption caused to your journey.
Further Information
If one of our trains is delayed or cancelled and you arrive at your destination station more than 15 minutes later than scheduled, you can claim compensation through 'Delay Repay'. Delay Repay | TfW
For more information on what causes delays on the railway, visit Network Rail’s Delays Explained website.
Check services running in the area using the Transport for Wales Live Map or plan your journey and purchase tickets for any service, not just TfW at www.tfw.wales.
Update: Incident due to a shortage of train crew between Aberystwyth (AYW) and Shrewsbury (SHR) until 12:00.
Update: Incident due to a shortage of train crew between Aberystwyth (AYW) and Shrewsbury (SHR) until 12:00.
Due to a shortage of train crew between Aberystwyth (AYW) and Shrewsbury (SHR):
Services may be cancelled in both directions between Aberystwyth (AYW) and Shrewsbury (SHR).
We expect the incident to last until 12:00 and disruption to services is expected until 12:00.
What's Happened?
Due to a shortage of train crew, services between Aberystwyth and Shrewsbury Services may be cancelled in both directions between Aberystwyth (AYW) and Shrewsbury (SHR).
We expect the incident to last until 10:30 and disruption to services is expected until 10:30.
We'll publish more information here shortly. We apologise for the disruption caused to your journey.
Alternative Travel Options
We have organised buses to run between Machynlleth and Aberystwyth to assist customers to complete journeys where possible at no extra cost. These will depart Machynlleth heading towards Aberystwyth at approximately 08:49 and depart Machynlleth heading towards Shrewsbury at 10:55 provided by Lloyds Coaches.
These arrangements are in place on services until 12:00
Road Transport will take longer than rail services.
Please allow extra time to complete your journey.
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please visit the National Rail website.
Calling points for road transport may be found on station information posters and https://tfw.wales/places/stations
Further Information
If one of our trains is delayed or cancelled and you arrive at your destination station more than 15 minutes later than scheduled, you can claim compensation through 'Delay Repay'. Delay Repay | TfW
For more information on what causes delays on the railway, visit Network Rail’s Delays Explained website.
Check services running in the area using the Transport for Wales Live Map or plan your journey and purchase tickets for any service, not just TfW at www.tfw.wales.
Pay As You Go
If you're using Pay As You Go, don't forget to tap out if you abandon your journey or use an alternative service or mode of transport.
Services from other operators and on other parts of the network may also be disrupted. Check your journey at www.tfw.wales.
Update: Incident due to a shortage of train crew between Swansea (SWA) and Shrewsbury (SHR) until 15:00.
Update: Incident due to a shortage of train crew between Swansea (SWA) and Shrewsbury (SHR) until 15:00.
Due to a shortage of train crew between Swansea (SWA) and Shrewsbury (SHR):
We expect the incident to last until 15:00 and disruption to services is expected from 08:53 until 15:00.
Due to a shortage of train crew, fewer trains are able to run between Swansea and Shrewsbury via the Heart of Wales between 08:53 and 15:00 today (19/07/2026).
As a result, the following amendments have been made:
- 08:53 Swansea to Shrewsbury (via the Heart of Wales) will start at Llandrindod.
- 09:43 Shrewsbury to Swansea (via the Heart of Wales) will terminate at Llandrindod.
- 11:05 Swansea to Shrewsbury (via the Heart of Wales) will terminate at Llandrindod.
- 12:08 Shrewsbury to Swansea (via the Heart of Wales) will start at Llandrindod.
Our services between Swansea and Shrewsbury via the Heart of Wales are disrupted in both directions.
We expect the incident to be cleared by 15:00. Train services will be disrupted until 15:00.
Alternative Travel Options:
We have organised buses to run between Swansea and Shrewsbury to assist customers to complete journeys where possible at no extra cost. These will arrive at:
- Swansea at approximately 08:53 calling all stops to Llandrindod provided by Gower. Customers can alight at Llandrindod to connect with replacement road transport calling all stops to Shrewsbury, provided by AC Jenkins.
- Llandrindod at approximately 11:40 calling all stops to Swansea, operated by Gower.
- Llandrindod at approximately 13:45 calling all stops to Shrewsbury, operated by Keanes and TNS.
- Shrewsbury at approximately 12:08 calling all stops to Llandrindod, operated by Keanes and TNS. Customers can alight at Llandrindod to connect with replacement road transport calling all stops to Swansea, provided by AC Jenkins.
These arrangements are in place on services until 15:00
Road Transport will take longer than rail services. Please allow extra time to complete your journey.
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please visit National Rail’s https://www.nationalrail.co.uk/travel-information/rail-replacement-services/
Calling points for road transport may be found on station information posters and https://tfw.wales/places/stations
Please check back here for more information shortly. We apologise for the disruption caused to your journey.
Further Information
If one of our trains is delayed or cancelled and you arrive at your destination station more than 15 minutes later than scheduled, you can claim compensation through 'Delay Repay'. Delay Repay | TfW
For more information on what causes delays on the railway, visit Network Rail’s Delays Explained website.
Check services running in the area using the Transport for Wales Live Map or plan your journey and purchase tickets for any service, not just TfW at www.tfw.wales.
Update: Incident due to checking reports of an obstruction on the line between Cardiff Central (CDF) and Heath High Level (HHL) until further notice.
Update: Incident due to checking reports of an obstruction on the line between Cardiff Central (CDF) and Heath High Level (HHL) until further notice.
Due to checking reports of an obstruction on the line between Cardiff Central (CDF) and Heath High Level (HHL):
Services will be delayed by up to 15 minutes.
Services will be cancelled in both directions between Cardiff Queen Street (CDQ) and Caerphilly (CPH).
We expect the incident to last until further notice and disruption to services is expected from 13:00 until 16:00.
Services are now returning to normal. We're sorry for the disruption to your journey today.
Your ticket can be used on the following services to help you complete your journey, listed below at no extra cost:
- service (TOC)
Further Information
If one of our trains is delayed or cancelled and you arrive at your destination station more than 15 minutes later than scheduled, you can claim compensation through 'Delay Repay'. Delay Repay | TfW
For more information on what causes delays on the railway, visit Network Rail’s Delays Explained website.
Check services running in the area using the Transport for Wales Live Map or plan your journey and purchase tickets for any service, not just TfW at www.tfw.wales.
Pay As You Go
If you're using Pay As You Go, don't forget to tap out if you abandon your journey or use an alternative service or mode of transport.
