These Frequently Asked Questions (FAQs) are intended to clarify, explain, and promote better understanding of issues concerning special permits for waivers to class location regulations. These FAQs are not substantive rules and do not create rights, assign duties, or impose new obligations not outlined in the existing regulations and standards. Requests for informal interpretations regarding specific situations may be submitted to PHMSA in accordance with 49 C.F.R. § 190.11.