Bikes on Trains - Italy
Advice on taking your bike onboard an Italian train.
http://www-math.science.unitn.it/Bike/Countries/Italy/General/Italian_Railways.html

In Italy Online
Useful tips on train travel in Italy.
http://www.initaly.com/travel/info/edwin.htm

Let's Go
Provides a basic introduction to train travel in Italy including information about reservations, overnight trains, train types and rail passes.
http://www.letsgo.com/ITA/02-Essentials-268

No Place Like Rome
Contains the telephone numbers of Rome's main train stations.
http://www.noplacelikerome.com/driving.htm

Rail Europe
Tells you everything you need to know about European rail passes.
http://www.raileurope.com/us/index.htm

Roma Termini
Find out more about the facilities Rome's main train station has to offer.
http://www.romatermini.it/

Roman Homes
An introduction to Termini, Rome's most important railway station.
http://www.romanhomes.com/your_roman_vacation/train.htm

Slow Travel Italy
Excellent primer on train travel in Italy: the train network, types of service, buying and understanding tickets, possible problems, on the train and more.
http://www.slowtrav.com/italy/trains/

Trenitalia
Official website of Italy's national rail operator. In Italian only.
http://www.trenitalia.it/
http://www.ferroviedellostato.it/

Venere.com
Contains the contact details of the city's main rail stations.
http://www.venere.com/roma/guida/trasporti.html