At the recent Trafinz Conference in Christchurch (8-10 September 2008) ViaStrada presented the preliminary results of an inductive loop continuous cycle counting trial undertaken for the New Zealand Transport Agency.
The presentation can be viewed as a PDF file.
The trial concluded that inductive loops have the capability to count bicycles on a continuous basis. The full trial report will be published in October.
For more details on the trial please go the project page.