1-800-555-TELL
Traffic reports for the street, highway, city or state of your choice over the telephone.
http://www.1-800-555-tell.com/menu/travel/travel_traffic.html

AA
Search for the latest traffic and travel news from the UK.
http://www.theaa.com/travelwatch/travel_news.jsp

AA Ireland
Up-to-the-minute road traffic news.
http://www.aaroadwatch.ie/

AAA
The latest traffic news on California's highways courtesy of the Automobile Club of America.
http://www.aaa-calif.com/auto-buy/traffic/index.asp?source=hl&SEG=&CGRP=

AccuTraffic
Find out about the latest traffic conditions across the United States.
http://www.accuweather.com/

Association de Societes Francaises d'Autoroutes
Highways traffic conditions, travel time and traffic forecasts on France's major autoroutes.
http://www.autoroutes.fr/us/index.htm

Athens Real-Time Traffic Map
A map plotting the density of traffic on Athens' main arterial roads.
http://transport.ntua.gr/map/index.html

BBC.co.uk
The latest road, rail, sea and air travel information for the UK.
http://www.bbc.co.uk/travelnews/

BeaverBear.com
Find out what road conditions across Canada are like.
http://www.beaverbear.com/canrdcon.html

Bison Fute
Real-time information about road and traffic conditions in France.
http://www.bison-fute.equipement.gouv.fr/

Canada Webcams
Links to traffic cams all over the country.
http://www.leonardsworlds.com/country/canada.htm

Direccion General de Trafico
Check up on the traffic conditions in Madrid.
http://www.dgt.es/carreteras/densidad.html

Direccion General de Trafico
Spanish traffic reports, and a whole lot more, from the ministry responsible for Spain's roads.
http://www.dgt.es/iindex.html

Federal Highway Administration
National traffic and road closure updates for the United States.
http://www.fhwa.dot.gov/trafficinfo/index.htm

Fileplan
Up-to-date information on the flow of traffic on the roads in and around the city of Rotterdam. In Dutch only.
http://www.fileplan.info.nl/

Finnish Road Administration
Provides traffic reports, weather information, statistics, links and more.
http://www.tieh.fi/eindex.htm

Get MeThere.co.uk
Information on route planning, traffic information and traffic reports from Toyota, using interactive applications with large detailed maps for the UK and Europe. You can even download a stand-alone desktop version.
http://www.getmethere.co.uk/

Highways Agency
Current road works information, and a whole lot more besides, from the UK's motorway agency.
http://www.highways.gov.uk/

Highway and Road Conditions for Canada and the United States
Check out the road ahead.
http://www.highwayconditions.com/

Highways.tv
An index of traffic information websites from across America.
http://www.highways.tv/

ITS Online
Table of real-time traffic maps on the Net; most are in the US, although there are a few from abroad listed.
http://www.itsonline.com/rttable.html

Maporama
Offers real-time traffic reports for major French towns.
http://www.maporama.com/

Metrocommute.com
Real-time traffic and transit information for New York, Hartford, Houston, Los Angeles and San Francisco.
http://metrocommute.com/

National Traffic and Road Closure Information
Discover if there are any delays or closed roads on your planned route.
http://www.fhwa.dot.gov/trafficinfo/

New Jersey TIDE Center
Links to traffic maps, traffic cameras, transit conditions, and road construction reports for major cities across America and Canada.
http://www.njtide.org/links/systems.html

RAA
Reports of delays and jams on Australia's metropolitan and country roads.
http://www.raa.net/

RAC
UK road traffic reports.
http://www.rac.co.uk/check_traffic/

Rand McNally
Road construction maps for North America.
http://www.randmcnally.com/rmc/tools/roadConstructionSearch.jsp

RDS-TMC
Swiss road and tunnel traffic reports.
http://www.bs-ing.ch/corvette/MessagesE.html

Route Scanner
A UK journey planner that takes into account the latest traffic conditions when calculating your route.
http://www.routescanner.co.uk/

RWA Direct
Links to official road traffic reports for states all over the country.
http://rwa.metronetworks.com/rwa/rwdirect.htm

Search Beat
Traffic and weather web links.
http://recreation.searchbeat.com/traffic.htm

SmarTravel
Real-time traffic information for a handful of cities for free, but for over 80 cities if you purchase the full service.
http://www.smartraveler.com/

Sytadin
Traffic reports for Paris and the Ile de France region. In French only.
http://www.sytadin.tm.fr/

TA Travel Centers
Provides links to the websites of state highway and transportation departments all over the country.
http://www.tatravelcenters.com/roadconditions/

The South African National Roads Agency
Features traffic information and a guide to South Africa's roads.
http://www.nra.co.za/

Total Traffic Network
TTN provides real-time traffic data to motorists in North America and New Zealand.
http://www.realtimetraffic.net/

Traffic England
Detailed real-time traffic reports for the whole of England. You can also access sister sites for Scotland and Wales via homepage.
http://www.trafficengland.co.uk/TCC/
http://www.trafficscotland.org/
http://www.traffic-wales.com/

Traffic Eye
Get the lowdown on UK traffic conditions before you set off.
http://www.trafficeye.co.uk/

Traffic Information
Real-time traffic information for major European countries.
http://www.busweb.com/infodetl.asp?hc=19

Traffic Message Channel Forum
A guide to how Radio Data Service technology is used to deliver traffiic and travel information to European drivers.
http://www.tmcforum.com/

Traffic TV
Receive live traffic information on your mobile phone.
http://www.traffictv.co.uk/

Traffic.com
Traffic reports on a number of major US cities using interactive maps.
http://www.traffic.com/

Trafficmaster
Live traffic information for the UK and Europe. You can purchase the system online.
http://www.trafficmaster.co.uk/

Trafikken.dk
Links to the Danish Road Directorate and it's Traffic Information Centre, which can answer all your questions about roads and traffic in Denmark and most other European countries 24 hours a day, 7 days a week.
http://www.trafikken.dk/wimpdocen.asp?page= document&objno=20853#qqTraffic_information

Transport Direct.info
A government site offering door-to-door travel information for both drivers and those using public transport in the UK.
http://www.transportdirect.info/
http://www.transportdirect.com/

Transport for London
London traffic alert service.
http://trafficalerts.tfl.gov.uk/pinpointlite/main.php

Travel Advisory News Network
You can access traffic maps for several US cities at this site.
http://traffic.tann.net/

Travel Forecast.com
Offers state-by-state traffic and road construction maps.
http://www.travelforecast.com/htdocs/roadconditions.asp

US Road Conditions
Road condition reports for each of America's states and much, much more besides. An unbeatable resource for anyone planning to hit the road Stateside.
http://www.usroadconditions.com/

Vauxhall Trafficnet
Simply move your mouse over the map and select the area which you want to get up-to-date traffic information for. Alternatively, you can click and drag the map window to navigate.
http://buypower.vauxhall.co.uk/trafficnet/

XM NavTraffic
America's first national satellite-based traffic information service.
http://www.xmradio.com/navtraffic/