AA Roadwatch.ie
The latest European fuel prices.
http://www.aaroadwatch.ie/eupetrolprices/

ACI
Homepage of the Automobile Club of Italy. In Italian only.
http://www.aci.it/

All Travel Italy
Contains a driving in Italy FAQ as well as useful phrases for motorists.
http://www.alltravelitaly.com/Italy/Car_Rental/Driving_Tips.htm

Austostrade.it
Check freeway routes, calculate tolls, get traffic forecasts, find a gas station, etc.
http://www.autostrade.it/

Car Rental Express
Contains a note on drink driving laws in Italy and about the legal alcohol limit.
http://www.carrentalexpress.com/international/italy/rome/

Free Rome
Explore Rome in an electric or micro car.
http://www.freerome.it/

In Italy
An excellent primer on hiring a car and driving in Italy.
http://www.initaly.com/travel/lomax.htm

Italian Tourism.com
Details the driving distance between major Italian cities.
http://www.italiantourism.com/distanze.html

Miracle Players.org
Offers a few basic tips on driving and parking in Rome.
http://www.miracleplayers.org/visitingrome/cars_and_driving_in_rome.htm

Roma Matic
Interactive map of the ring road that encircles Rome, known as the Grande Raccordo Anulare.
http://www.roma-o-matic.com/gra_en.php3

Rome Buddy.com
Detailed information and advice on driving in the capital.
http://www.romebuddy.com/givesadvice/driving.html

Rome Hire Car
Advice on everything from the speed limit to alcohol levels.
http://www.rome-hire-car-rental.com/tips.htm

Slow Travel Italy
An introduction to driving in Italy.
http://www.slowtrav.com/italy/driving/

The Art of Parking in Rome
Includes details of several car parks in the city.
http://www.initaly.com/regions/latium/parking.htm

Virtual Tourist
Travellers offer helpful advice on driving in Rome, Roman traffic and crossing the road safely.
http://www.virtualtourist.com/vt/23513/8/f41e/