RAIL passengers are being advised to allow extra time for their journeys over the weekend, due to engineering work.

Buses will replace First Great Western and Virgin CrossCountry trains between Oxford and Didcot Parkway from 8.45pm on Saturday until 12.20pm on Sunday.

Chiltern Railways services are also affected on Sunday. London Marylebone station will be closed until 4.45pm, with services diverted to run to and from London Paddington.

Chiltern passengers travelling to and from Birmingham will have to change at Leamington all day on Sunday and use Virgin services via Coventry.

Call 08457 484950 or see www.nationalrail.co.uk