CONTRAM (CONtinuous TRaffic Assignment Model) is a suite of transport modelling software designed for transport professionals.

CONTRAM has been the leading dynamic traffic modelling software used around the world for over 20 years. It has a wide range of modelling tools for representing a variety of situations from congested urban networks to inter-urban regions.

CONTRAM is designed to model the varying traffic demand and congestion that occurs during the day and will represent the peaks of congestion as well as off-peak conditions within a single model.

For more details please take a look at the About CONTRAM pages.

The current version of CONTRAM is 8.3b.

Here are some quick links to the most popular sections of the web site:

• Update to version 8.3b (users with current maintenance only)

• November 2008 announcement about future maintenance arrangements

• Presentations from 2007 UK CONTRAM forum available for download

• View the list of CONTRAM users