Section 3754 - Accident prevention investigations(a) General rule.--The department, in association with the Pennsylvania State Police, may conduct in-depth accident investigations and safety studies of the human, vehicle and environmental aspects of traffic accidents for the purpose of determining the causes of traffic accidents and the improvements which may help prevent similar types of accidents or increase the overall safety of roadways and bridges.(b) Confidentiality of reports.--In-depth accident investigations and safety studies and information, records and reports used in their preparation shall not be discoverable nor admissible as evidence in any legal action or other proceeding, nor shall officers or employees or the agencies charged with the development, procurement or custody of in-depth accident investigations and safety study records and reports be required to give depositions or evidence pertaining to anything contained in such in-depth accident investigations or safety study records or reports in any legal action or other proceeding. 1976, June 17, P.L. 162, No. 81, § 1, effective 7/1/1977. Amended 1986, Dec. 11, P.L. 1530, No. 166, § 7, effective in 60 days.