# Interstate Trucker > Interstate Trucker is a nationwide law firm founded in 1991 that exclusively defends professional truck drivers against traffic citations and CDL violations, serving drivers in all 48 contiguous states from Oklahoma City, OK. Founded by Jim Klepper, a former prosecutor, the firm has handled nearly 400,000 CDL defense cases over 30+ years with a reported 95% positive outcome rate. Current leadership includes President Brad Klepper and General Counsel Keaton Klepper. The firm charges a single flat fee with no membership requirements and provides hands-on attorney involvement throughout each case. Address: 6709 N Classen Blvd, Oklahoma City, OK 73116. Phone: (800) 333-3748 / (800) 333-DRIVE. ## Services - [Why Interstate Trucker?](https://interstatetrucker.com/why-interstate-trucker/): Key differentiators — flat-fee pricing, lawyers who specialize in trucking-specific regulations (logbooks, hazmat, weight/length limits), and 30+ years handling nearly 400,000 cases. - [Our Firm](https://interstatetrucker.com/our-firm/): Firm history since 1991, founder Jim Klepper's background as a former prosecutor, and current leadership. - [FAQs](https://interstatetrucker.com/faqs/): Answers to common questions on CDL violations, CSA scores, and what to do after getting a ticket. - [Contact Us](https://interstatetrucker.com/contact-us/): Phone numbers, Oklahoma City address, and free-consultation request form. ## Resources - [Resources](https://interstatetrucker.com/resources/): Article library covering CDL violations, traffic tickets, CSA scores, and trucking industry news. - [What Happens If You Get a Ticket as a CDL Truck Driver?](https://interstatetrucker.com/resources/what-happens-if-you-get-a-ticket-as-a-cdl-truck-driver/): Consequences of citations for CDL holders — fines, points, license suspension, insurance increases, and job loss risk. - [10 Top Trucking Violations That Affect Your CDL](https://interstatetrucker.com/resources/10-top-trucking-violations-that-affect-your-cdl/): The traffic violations most likely to threaten a commercial driver's license, including speeding, reckless driving, and DUI. - [How to Fight a Speeding Ticket With a CDL](https://interstatetrucker.com/resources/how-to-fight-a-speeding-ticket-with-a-cdl-steps-to-protect-your-truck-driving-career/): A four-step defense process for CDL holders, noting that paying a ticket is a legal admission of guilt. - [Why Truck Drivers Should Work With an Experienced Law Firm](https://interstatetrucker.com/resources/why-truck-drivers-should-work-with-an-experienced-law-firm/): The case for specialized, nationwide CDL defense representation over general counsel. - [The CDL Driver and Legal Representation](https://interstatetrucker.com/resources/the-cdl-driver-and-legal-representation/): Why citations and safety violations that hurt a driver's CSA/SMS score make legal representation important for employability. ## Optional - [Privacy Policy](https://interstatetrucker.com/privacy-policy/)