A1 Emergency Roadside Service is a family-owned, 2nd generation, semi truck breakdown service located in Baltimore, MD. We are fully qualified to provide repair services for semi trucks including the following; trailer repairs, roadside welding, semi tire service, mechanical and electrical repairs, turbo repairs, diagnostics, and much more. You’ll get a thorough diagnosis and an explanation of the fixes we advise. To assist you in making plans and keeping in touch with your clients, we also provide a time estimate. A1 Emergency Roadside Services strives to be your first and only call when you need semi truck breakdown services in the Baltimore, MD area. Our extended hours of operation, on-site service capabilities, and 24/7 emergency service ensure that we are available whenever you need repairs.