Decades of Experience

About PCARS

Crash Investigation

Pittsburgh Collision and Reconstruction Services is a professional consulting firm dedicated to the independent review and reconstruction of motor vehicle crashes.  PCARS specializes in Commercial Vehicle crashes and has the tools and equipment to image truck engine ECM’s as well as motor vehicle Airbag Control Modules and Vehicle Infotainment Systems. 


Our services also include heavy and light trucks, passenger cars, motorcycles, bicycles, pedestrians, motor coaches and nighttime visibility reconstruction.


How We Help

Our 2-person team arrives on-site with advanced tools to efficiently collect the required data.

Our services are available nationwide for Attorneys, Insurance Companies and Private Commercial Carriers.

Our Reconstructionists are ACTAR accredited with over 30 years of experience in crash reconstruction.

Our Team

Daniel P. Connolly


Daniel is retired from the City of Pittsburgh, Bureau of Police and was the supervisor of the Collision Investigation Unit and Commercial Vehicle Enforcement Unit.  He is an ACTAR Accredited Reconstructionist (#2286)   with 32 years of experience in reconstructing crashes involving heavy and light trucks, passenger cars, motorcycles, pedestrians and motor coaches.  He also held certifications in MCSAP Inspection, General HAZMAT Inspection, Passenger Carrying Vehicle Inspection and was a certified Pennsylvania State Inspection Mechanic.  Dan has been recognized as an Expert in Crash Reconstruction in Federal Court, Pennsylvania Commonwealth and District Court, and West Virginia Judiciary.


Dan has been training non stop in the field of crash investigation and reconstruction since 1993. He has dedicated thousands of hours to classroom and hands on training. PCARS makes it a priority to deploy the latest advancements in training and equipment to make sure each case is handled in a professional manner.

Daniel P Connolly Headshot

Our Team

Mark Restori


Mark is a retired Allegheny County Police Homicide Detective, who not only investigated homicides throughout the county, but also motor vehicle collisions while part of this unit. His prior career as an automotive technician for 26 years, for which he still maintains his safety and emission inspection licenses, also played a role in his collision reconstruction investigations. Mark has been recognized as an expert multiple times in 4 fields to include accident reconstruction where he is ACTAR accredited (#3422), vehicle inspections as they relate to collision reconstruction, EDR data retrieval and analysis, and Berla iVe vehicle forensics systems.

Scene Investigation and Crash Inspection

Commercial Vehicle Inspection

Passenger Vehicle Inspection

Forensic Mapping

Court Qualified Expert Witness