Licensed Iowa Drivers by County 2007-2015, January 29, 2016

Licensed Iowa drivers by county spreadsheet.

Iowa Crash History 2001 to 2015: Drivers Distracted by Use of Phone or Other Device, May 11, 2016

Iowa crash history of distracted drivers by use of phone or other devices.

Licensed Iowa Drivers by by Age Group & Sex - 2007 to 2015, January 29, 2016

Licensed Iowa drivers by age ground and sex spreadsheet.

Drivers' Behavior at Railroad Grade Crossings: Before and After Safety Campaign, HR-335, Survey Data Summaries, 1992

Summaries of the data gathered for this project.

A study of drivers in major accidents, September, 1935-April, 1936, by Harold L. Gaunt [and] Laurence W. Murray, 1936

This preliminary study of the drivers involved in major accidents in Iowa and their subsequent examination was undertaken by the State Planning Board. All personal injury and fatal accidents, and those property damage accidents of such serious nature as to indicate the suspension or revocation of the drivers license, occurring in the state from 1935 to April 1036 are included.