Rail services are being hit by more strike action today, with ongoing impact into the weekend.

It is after train drivers who are members of Aslef walked out on Friday and will also refuse to do overtime on Saturday, coinciding with a strike by the Rail, Maritime and Transport (RMT) union.

Here is the impact on passengers attempting to travel to and from Cornwall via Great Western Railway:

Friday

An extremely limited service is operating, and only between around 7am and 6.30pm. Just the Penzance to St Ives branch line is running in Cornwall.

The only routes operating today are between:

London Paddington and Bristol Temple Meads

London Paddington and Oxford

Reading and Basingstoke

Reading and Redhill (AM/PM peak only)

Reading and Newbury (AM/PM peak only)

Westbury and Swindon (AM/PM peak only)

Cardiff and Bristol Temple Meads

Exeter St Davids and Barnstaple

Exeter St Davids and Exmouth

Plymouth and Gunnislake

Penzance and St Ives

Saturday

An extremely limited service will operate, and only between around 7am and 6.30pm, although more routes will be open than on Friday.

A very limited service will run only on the following routes between:

London Paddington to Bristol Temple Meads

London Paddington to Oxford

London Paddington to Cardiff via Bristol Parkway

London Paddington to Plymouth (calling Pewsey/Westbury/Castle Cary)

London Paddington to Newbury

London Paddington to Reading/Didcot Parkway

Greenford branch

Slough to Windsor

Maidenhead to Bourne End

Twyford to Henley-on-Thames

Reading to Basingstoke

Didcot to Oxford/Banbury

Newbury to Bedwyn

Reading to Redhill

Cardiff Central to Westbury

Bristol to Plymouth

To carry Bristol City fans to and from their fixture at Swansea City the following, non-stop additional trains will run:

08:43 Bristol Temple Meads to Swansea (arriving at 10:26)

15:15 Swansea to Bristol Temple Meads (arriving at 17:00)

These additional services are expected to be extremely busy.

Sunday – Non-strike day

Trains will run as planned with some changes to service start-up and some planned cancellations. Please check before you travel.

The Night Riviera Sleeper service will also resume.

What can customers do

GWR said: “If you intend to travel where trains are running, please check before you travel. Trains that are operating will be busier than usual because we will not be able to offer the normal service frequency. Other train operators are also affected by this action, so onward travel could also be affected.

“Where we are able to run services, they are expected to be extremely busy and we are not able to provide bus replacement services.

“Customers who purchased tickets but do not travel can claim a full refund or amend their ticket. Those who travel and are delayed may be entitled to Delay Repay compensation if they are delayed by 15 minutes or more.”

To help customers, tickets for strike days will be valid for travel on alternative days on GWR services, as per below:

Tickets for Friday, September 1 can be used the day before or up to and including Tuesday, September 5.

Tickets for Saturday, September 2 can be used on Thursday, August 31 or up to and including Tuesday, September 5.

GWR has confirmed that tickets will be valid to any station that is on the route paid for.

Season-ticket holders can apply for compensation through the Delay Repay scheme.