Petrol prices are once again in the headlines and the threat of fuel protests is looming. This new site aims to keep motorists informed of the cheapest petrol prices in their area. Users receive email or text alerts when prices change.

This is the recently-revamped site for Metronet Rail, the company given the task of maintaining and upgrading nine of London Underground lines. Includes details on the ongoing plans for the Tube.

Probably one of the most user-friendly and comprehensive rail sites on the web. It offers timetable information, service alterations, live departure boards, the latest details on threatened strike action and special offers.

Don't forget your number one newspaper has a superb transport section on its website. It's full of transport news and information on travelling by road, rail and air. There is also a forum for you to share your transport experiences.