The following data was collected over 526 road kill surveys (covering 11,572 miles between mile markers 309 and 331 of Bozeman Pass) conducted by Craighead Environmental Research Institute and their volunteers from January 2001 through December 2005.

The data was included in the Western Transportation Institute's Bozeman Pass Wildlife Channelization ITS Project Final Report - the entire publication can be viewed by following the link below:

http://www.coe.montana.edu/wti/wti/pdf/425539_Final_Report.pdf

Hardy, A.R., J. Fuller, S. Lee & A. Al-Kaisy. 2006. Bozeman Pass Wildlife Channelization ITS Project Final Report. For the Montana Department of Transportation Environmental Services Division. 136 pp. Available from the internet, accessed 6 January 2007.
URL:
http://www.coe.montana.edu/wti/wti/pdf/425539_Final_Report.pdf