; (II) on a periodic or seasonal basis; and (III) to specific types of operations, including the short haul exemption under part 395 of title 49, Code of Federal Regulations; (B) specify whether each such waiver, exemption, or other allowance was granted by the Department of Transportation or enacted by Congress, and how long such waiver, exemption, or other allowance has been in effect; and (C) estimate the number of motor carriers, motor private carriers, and drivers that may qualify to use each waiver, exemption, or other allowance. (3) Safety impact analysis (A) In general In carrying out the comprehensive review under paragraph (1), the Secretary, in consultation with State motor carrier enforcement entities, shall undertake a statistically valid analysis to determine the safety impact, including on enforcement, of the exemptions, waivers, or other allowances compiled under paragraph (2) by— (i) using available data, or collecting from motor carriers or motor private carriers and drivers operating under an exemption, waiver, or other allowance if the Secretary does not have sufficient data, to determine the incidence of accidents, fatigue-related incidents, and other relevant safety information related to hours of service among motor carriers, private motor carriers, and drivers permitted to operate under each exemption, waiver, or other allowance; (ii) comparing the data described in subparagraph (A) to safety data from motor carriers, motor private carriers, and drivers that are subject to the hours of service rules and not operating under an exemption, waiver, or other allowance