Below is a link to a map showing traffic counts undertaken in Cambridgeshire during the period from 2007 to 2011. All flows are 12 hours (7.00am to 7.00pm) and two way.
View mapped traffic data
All motor vehicle flows are shown for each site. In addition Heavy Good Vehicle (HGV) and bus/coach flows are shown where these were counted as separate categories.
The data is also available in spreadsheet format.
Traffic Counts 2007-2011.csv
This data is reusable under the Open Government Licence.
Additional data are published by the Department for Transport