GART
Groupement des autorités responsables de transportPolicies papers. Links to French Public Transport Authorities

Hela Resan
A complete travel planning system.The website makes it possible to find information on alternatives for travel between places in Sweden, by train, bus, airplane, boat/ferry. It has links to PTAs and operators of the different modes of transport.

Samtrafiken
Links together trips by train, coach, bus, underground, tram and ferry from more than 40 different carriers in a closely knit traffic network.

The Swedish Public Transport Association
The trade organisation of local and regional public transport in Sweden.The Swedish section of the website includes information on member organisations, monthly news, projects, publications and statistics.

UITP (Union internationale de transport public)

VDV (Verband Deutscher Verkehrsunternehmen)