Amstel Inter-Continental
General driving information.
http://amsterdam.interconti.com/location/driving.html

Autoverhuur
Provides links to car hire and limousine firms in Holland.
http://autoverhuur.start.nu/

Crowne Plaza
Covers the legalities of driving in Holland including speed limits and what to do if you are involved in an accident.
http://amsterdam-schiphol.crowneplaza.com/location/driving3.html

NAAR Amsterdam
Highlights paid parking and street parking spaces in Amsterdam.
http://www.naaramsterdam.nl/engels

Parkeergebouwen
This company operates secure car parking facilities in various locations around the city.
http://www.parkeergebouwen.amsterdam.nl/parkeergebouwen/index.html

Routnet
Plan your journey with this online route finder.
http://www.routenet.nl/

Stads R GI
Click on the tiny British flag at the top of the page, to get the latest on traffic diversions and road construction in the city, and to access an interactive route planner and street map.
http://www.bereikbaar.amsterdam.nl/

Stadstoezicht
Enter a street name for information on valid parking rates and parking times there. The site also outlines what you should do if your vehicle is clamped or towed away.
http://www.stadstoezicht.amsterdam.nl/diensten/main_toeristinfo_gb_diensten.htm