Adding to the existing plethora of bus, train and transport websites is one which is smart phone friendly:
http://www.nextbuses.mobi/
This should allow people to enter the details of the stop, or road, to find out what buses are due nad builds on the existing service provided by Intalink.

For travel information the county and its partners provide:
http://www.intalink.org.uk/

For more general queries, including trains etc you can try:
http://www.transportdirect.info/

And don’t forget that St Albans Train Station, and a few other stops also make the London system:
http:///www.tfl.gov.uk/
Which you can helpfully telephone on 0207 222 1234 which is invaluable in the evenings!