Reports of the Department of Mathematical Information Technology Series C. Software and Computational Engineering No. C. 2/2009 Mining road traffic accidents Sami ¨ Ayr¨ am¨ o Pasi Pirtala Janne Kauttonen Kashif Naveed Tommi K¨ arkk¨ ainen University of Jyv ¨ askyl¨ a Department of Mathematical Information Technology P.O. Box 35 (Agora) FI–40014 University of Jyv ¨ askyl¨ a FINLAND fax +358 14 260 4980 http://www.mit.jyu.fi/