National Traffic Law Center



The National District Attorneys Association’s National Traffic Law Center (NTLC) is a resource designed to benefit prosecutors, judges, law enforcement officers and others in the justice system. The mission of NTLC is to improve the quality of justice in traffic safety adjudications by increasing the awareness of highway safety issues through the compilation, creation and dissemination of legal and technical information, and by providing training and reference services.

The Latest

Our latest publications include the September 2023 issue of Between the Lines newsletter, Constitutional Law Issues in Impaired Driving Cases, Commercial Drivers’ Licenses: A Prosecutor’s Guide to the Basics of Commercial Motor Vehicle Licensing and Violations and Challenges and Defenses III: Responses to Common Challenges and Defenses in Impaired Driving Cases

NTLC is proud to announce the From Roadside to Record training curriculum is now available for download.

Many prosecutors, law enforcement officers, judges and clerks are unaware of the federal prohibition against Masking (49 CFR 384.226). As a result, charges against CDL holders are often improperly deferred, diverted, reduced or dismissed.


Upcoming Trainings & Events

Mastering Masking: Legal and Ethical Consequences of Plea Negotiations Involving Commercial Driver’s Licenses

2024 Commercial Driver’s License Violations Conference: Enforcement, Prosecution, & Reporting

On-Demand Learning: Impaired Driving by CDL Holders

From Roadside to Record

NTLC’s video series, “From Roadside to Record,” produced with funding from the Federal Motor Carrier Safety Administration, is perfect for use in CDL related training. They focus on enforcing, prosecuting and adjudicating CDL traffic stops in accordance with federal and state regulations.

Online Training

This information will help you understand the challenges of today.



Search for resources by key word.

Technical Assistance

The National District Attorneys Association provides technical assistance and resources for prosecutors and allied professionals.

Request Now

National District Attorneys Association
1400 Crystal Drive, Suite 330
Arlington, VA 22202

Contact Us