Contact Information

Daniel J. Mahoney
Traffic Collision Consultants Inc.
P. O. Box 31414
Walnut Creek, CA 94598
Phone: (925) 648-3605
Fax: (925) 459-0309
Email | Website

Areas of Expertise

• Accident Reconstruction
• ACTAR Accredited
• Crash Data Retrieval (CDR)
• Expert Witness Testimony
• Low Speed Collisions
• Motorcycle Collisions
• Pedestrian Accidents
• Accident Investigation

Expert Profile

View/Download Curriculum Vitae

Daniel J. Mahoney has been a police officer since January of 1982 who currently holds the rank of Lieutenant in the San Francisco Police Department. He is a court recognized expert in traffic collision reconstruction in both the civil and criminal arena, and currently holds ACTAR certification #622. Daniel has successfully investigated and/or reconstructed well over 2,500 traffic collisions and has provided expert testimony in civil depositions, arbitrations, and criminal and civil jury trials for both plaintiff and defense.

If you would like to be listed as an expert in the ARC Network Expert Witness Directory, please visit the Membership Section of give us a call toll free (800) 280-7940

About the Expert Directory
ARC Network Expert Witness Directory is an online expert directory for accident reconstruction. The experts listed in our expert witness directory are current members of the ARC Network and are currently practicing in their respective states. The ARC Network Expert Witness Directory is NOT a referral directory, all the contact information is available to the end user and is free to search and use. We offer a wide range of experts in our directory; from traffic accident investigators to collision reconstructionists to engineers. This wide range of experts allow you to locate an expert that fits the expertise you need for your case.

All visitors represents & warrants that his/her use of the ARC Network Expert Directory is for the purpose of retaining or locating an expert witness and agrees that she/he will NOT use any information from the ARC Network's expert witness directory or web site links contained therein for marketing or solicitation. The Information provided in the Expert Directory has been provided by the expert listed above and users should always independently verify the qualifications and background of any and all experts. ARC Network, LLC disclaim all responsibility for the accuracy or completeness of the expert witness directory listings. If you have any questions or comments about the ARC Network, we would love to hear from you. Email the ARC Network