109 STAT. 614 PUBLIC LAW 104-59—NOV. 28, 1995 tion provided by subsection (a) (other than paragraph (2)) is not in the public interest and would have a significant adverse impact on the safety of commercial motor vehicles. If, at any time as a result of such a proceeding, the Secretary determines that granting such exemption would not be in the public interest and would have a significant adverse impact on the safety of commercial motor vehicles, the Secretary may prevent the exemption from going into effect, modify the exemption, or revoke the exemption. The Secretary may develop a program to monitor the exemption, including agreements with carriers to permit the Secretary to examine insurance information maintained by an insurer on a carrier. (d) REPORT. — The Secretary shall monitor the commercial motor vehicle safety performance of drivers of vehicles that are subject to an exemption under this section. If the Secretary determines that public safety has been adversely affected by an exemption granted under this section, the Secretary shall report to Congress on the determination. (e) DEFINITIONS.— In this section, the following definitions apply: (1) 7 OR 8 CONSECUTIVE DAYS.— The term "7 or 8 consecutive days" means the period of 7 or 8 consecutive days beginning on any day at the time designated by the motor carrier for a 24-hour period. (2) 24-HOUR PERIOD.— The term "24-hour period" means any 24 consecutive hour period beginning at the time designated by the motor carrier for the terminal from which the driver is normally dispatched. (3) GROUND WATER WELL DRILLING RIG.—The term "ground water well drilling rig" means any vehicle, machine, tractor, trailer, semi-trailer, or specialized mobile equipment propelled or drawn by mechanical power and used on highways to transport water well field operating equipment, including water well drilling and pump service rigs equipped to access ground water. (4) TRANSPORTATION OF CONSTRUCTION MATERIALS AND EQUIPMENT. — The term "transportation of construction materials and equipment" means the transportation of construction and pavement materials, construction equipment, and construction maintenance vehicles, by a driver to or from an active construction site (a construction site between initial mobilization of equipment and materials to the site to the final completion of the construction project) within a 50 air mile radius of the normal work reporting location of the driver. This paragraph does not apply to the transportation of material found by the Secretary to be hazardous under section 5103 of title 49, United States Code, in a quantity requiring placarding under regulations issued to carry out such section. (5) ELIGIBLE UNIT OF LOCAL GOVERNMENT.— The term "eligible unit of local government" means a city, town, borough, county, parish, district, or other public body created by or pursuant to State law which has a total population of 3,000 individuals or less. (6) UTILITY SERVICE VEHICLE.— The term "utility service vehicle" means any commercial motor vehicle— (A) used in the furtherance of repairing, maintaining, or operating any structures or any other physical facilities necessary for the delivery of public utility services, including the furnishing of electric, gas, water, sanitary sewer,
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