{"formats":[{"name":"JSON","format":"json","url":"\/downloads\/2025\/code-json\/46.2-1129.1.json"},{"name":"Plain Text","format":"text","url":"\/downloads\/2025\/code-text\/46.2-1129.1.txt"},{"name":"XML","format":"xml","url":"\/downloads\/2025\/code-xml\/46.2-1129.1.xml"},{"name":"HTML","format":"html","url":"\/downloads\/2025\/code-html\/46.2-1129.1.html"}],"law_id":67458,"edition_id":1,"section_id":67458,"structure_id":13887,"section_number":"46.2-1129.1","catch_line":"Further extension of weight limits for certain vehicles utilizing an auxiliary power unit or other idle reduction technology","history":"2009, c. 92; 2013, c. 118.","full_text":"Any motor vehicle that utilizes an auxiliary power unit or other idle reduction technology in order to promote reduction of fuel use and emissions due to engine idling shall be allowed up to an additional 550 pounds total in gross, single axle, tandem axle, or bridge formula weight limits.\n\t\tTo be eligible for this exception, the operator of the vehicle must be able to prove (i) by written certification, the weight of the auxiliary power unit or other idle reduction technology unit and (ii) by demonstration or written certification, that such idle reduction technology is fully functional at all times.\n\t\tCertification of the weight of the auxiliary power unit must be available to law-enforcement officials if the vehicle is found in violation of applicable weight laws. The additional weight allowed cannot exceed 550 pounds or the weight certified, whichever is less.\n\t\tFor purposes of this section, “auxiliary power unit” means a mechanical or electrical device affixed to a motor vehicle that is designed to be used to generate an alternative source of power for any of the motor vehicle’s systems other than the primary propulsion engine, and “idle reduction technology” refers to a technology that allows engine operators to refrain from long-duration idling of the main propulsion engine by using an alternative technology.","order_by":null,"text":{"0":{"id":244436,"text":"Any motor vehicle that utilizes an auxiliary power unit or other idle reduction technology in order to promote reduction of fuel use and emissions due to engine idling shall be allowed up to an additional 550 pounds total in gross, single axle, tandem axle, or bridge formula weight limits.\n\t\tTo be eligible for this exception, the operator of the vehicle must be able to prove (i) by written certification, the weight of the auxiliary power unit or other idle reduction technology unit and (ii) by demonstration or written certification, that such idle reduction technology is fully functional at all times.\n\t\tCertification of the weight of the auxiliary power unit must be available to law-enforcement officials if the vehicle is found in violation of applicable weight laws. The additional weight allowed cannot exceed 550 pounds or the weight certified, whichever is less.\n\t\tFor purposes of this section, “auxiliary power unit” means a mechanical or electrical device affixed to a motor vehicle that is designed to be used to generate an alternative source of power for any of the motor vehicle’s systems other than the primary propulsion engine, and “idle reduction technology” refers to a technology that allows engine operators to refrain from long-duration idling of the main propulsion engine by using an alternative technology.","type":"section","prefixes":[""],"prefix":"","entire_prefix":"","prefix_anchor":"","level":1}},"ancestry":[{"id":13887,"edition_id":1,"name":"Maximum Vehicle Weights","identifier":"17","label":"article","depth":4,"order_by":1,"parent_id":12828,"metadata":{},"date_created":"2026-06-26 03:46:11","date_modified":"2026-06-26 03:46:11","permalink":{"id":228897,"object_type":"structure","relational_id":13887,"identifier":"17","token":"46.2\/III\/10\/17","url":"\/46.2\/III\/10\/17\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12828,"edition_id":1,"name":"Motor Vehicle and Equipment Safety","identifier":"10","label":"chapter","depth":3,"order_by":1,"parent_id":12827,"metadata":{},"date_created":"2026-06-26 03:43:55","date_modified":"2026-06-26 03:43:55","permalink":{"id":228599,"object_type":"structure","relational_id":12828,"identifier":"10","token":"46.2\/III\/10","url":"\/46.2\/III\/10\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12827,"edition_id":1,"name":"Operation","identifier":"III","label":"subtitle","depth":2,"order_by":1,"parent_id":12770,"metadata":{},"date_created":"2026-06-26 03:43:55","date_modified":"2026-06-26 03:43:55","permalink":{"id":228597,"object_type":"structure","relational_id":12827,"identifier":"III","token":"46.2\/III","url":"\/46.2\/III\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12770,"edition_id":1,"name":"Motor Vehicles","identifier":"46.2","label":"title","depth":1,"order_by":1,"parent_id":null,"metadata":{},"date_created":"2026-06-26 03:43:52","date_modified":"2026-06-26 03:43:52","permalink":{"id":225289,"object_type":"structure","relational_id":12770,"identifier":"46.2","token":"46.2","url":"\/46.2\/","edition_id":1,"permalink":0,"preferred":1}}],"structure_contents":[{"id":56026,"structure_id":13887,"section_number":"46.2-1122","catch_line":"Definitions","url":"\/46.2-1122\/","token":"46.2\/III\/10\/17\/46.2-1122","metadata":false},{"id":63431,"structure_id":13887,"section_number":"46.2-1123","catch_line":"Weight of vehicles and loads","url":"\/46.2-1123\/","token":"46.2\/III\/10\/17\/46.2-1123","metadata":false},{"id":81854,"structure_id":13887,"section_number":"46.2-1124","catch_line":"Maximum single axle weight, generally; maximum weight per inch of tire width","url":"\/46.2-1124\/","token":"46.2\/III\/10\/17\/46.2-1124","metadata":false},{"id":64875,"structure_id":13887,"section_number":"46.2-1125","catch_line":"Maximum tandem axle weight, generally","url":"\/46.2-1125\/","token":"46.2\/III\/10\/17\/46.2-1125","metadata":false},{"id":75488,"structure_id":13887,"section_number":"46.2-1126","catch_line":"Maximum gross weight, generally","url":"\/46.2-1126\/","token":"46.2\/III\/10\/17\/46.2-1126","metadata":false},{"id":79744,"structure_id":13887,"section_number":"46.2-1127","catch_line":"Weight limits for vehicles using interstate highways","url":"\/46.2-1127\/","token":"46.2\/III\/10\/17\/46.2-1127","metadata":false},{"id":65156,"structure_id":13887,"section_number":"46.2-1127.1","catch_line":"Weight limit exception for certain emergency vehicles using the interstate highways","url":"\/46.2-1127.1\/","token":"46.2\/III\/10\/17\/46.2-1127.1","metadata":false},{"id":71884,"structure_id":13887,"section_number":"46.2-1128","catch_line":"Extensions of weight limits; fees","url":"\/46.2-1128\/","token":"46.2\/III\/10\/17\/46.2-1128","metadata":false},{"id":64956,"structure_id":13887,"section_number":"46.2-1129","catch_line":"Further extensions of weight limits for certain vehicles hauling Virginia-grown farm or forest products","url":"\/46.2-1129\/","token":"46.2\/III\/10\/17\/46.2-1129","metadata":false},{"id":67458,"structure_id":13887,"section_number":"46.2-1129.1","catch_line":"Further extension of weight limits for certain vehicles utilizing an auxiliary power unit or other idle reduction technology","url":"\/46.2-1129.1\/","token":"46.2\/III\/10\/17\/46.2-1129.1","metadata":false},{"id":74311,"structure_id":13887,"section_number":"46.2-1129.2","catch_line":"Further extension of weight limits for vehicles fueled by natural gas or powered by means of electric battery power","url":"\/46.2-1129.2\/","token":"46.2\/III\/10\/17\/46.2-1129.2","metadata":false},{"id":75262,"structure_id":13887,"section_number":"46.2-1130","catch_line":"Crossing bridge or culvert by vehicle heavier than allowed; 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This law was first created in 2009. The record of its establishment is cataloged in chapter 92<\/a> of that year\u2019s edition of \u201cActs of Assembly,\u201d the annual state publication listing all changes made to the Code of Virginia in that year. It has been modified 1 time. Those modifications are cataloged by \u201cThe Acts of Assembly,\u201d a state publication, by year and chapter. Those modifications that can be read on the General Assembly\u2019s website will be linked accordingly. That modification is as follows: in 2013, chapter 118<\/a>.<\/p>","references":false,"refers_to":false,"permalink":{"id":228935,"object_type":"law","relational_id":67458,"identifier":"46.2-1129.1","token":"46.2\/III\/10\/17\/46.2-1129.1","url":"\/46.2-1129.1\/","edition_id":1,"permalink":0,"preferred":1},"url":"\/46.2-1129.1\/","token":"46.2\/III\/10\/17\/46.2-1129.1","dublin_core":{"Title":"Further extension of weight limits for certain vehicles utilizing an auxiliary power unit or other idle reduction technology","Type":"Text","Format":"text\/html","Identifier":"\u00a7 46.2-1129.1","Relation":"Code of Virginia"},"html":"\n\t\t\t\t\t\t

Any motor vehicle<\/span> that utilizes an auxiliary power unit<\/span> or other idle reduction technology<\/span> in order<\/span> to promote reduction of fuel use and emissions due to engine idling shall be allowed up to an additional 550 pounds total in gross, single axle<\/span>, tandem axle<\/span>, or bridge formula weight limits.\n\t\tTo be eligible for this exception, the operator<\/span> of the vehicle must be able to prove (i) by written certification, the weight of the auxiliary power unit<\/span> or other idle reduction technology<\/span> unit and (ii) by demonstration or written certification, that such idle reduction technology<\/span> is fully functional at all times.\n\t\tCertification of the weight of the auxiliary power unit<\/span> must be available to law<\/span>-enforcement officials if the vehicle is found in violation of applicable weight laws<\/span>. The additional weight allowed cannot exceed 550 pounds or the weight certified, whichever is less.\n\t\tFor purposes of this section, “auxiliary power unit<\/span>” means a mechanical or electrical device affixed to a motor vehicle<\/span> that is designed to be used to generate an alternative source of power for any of the motor vehicle<\/span>’s systems other than the primary propulsion engine, and “idle reduction technology<\/span>” refers to a technology that allows engine operators<\/span> to refrain from long-duration idling of the main propulsion engine by using an alternative technology.<\/p><\/section>","plain_text":" CODE OF VIRGINIA\n\nFURTHER EXTENSION OF WEIGHT LIMITS FOR CERTAIN VEHICLES UTILIZING AN AUXILIARY\nPOWER UNIT OR OTHER IDLE REDUCTION TECHNOLOGY (\u00a7 46.2-1129.1)\n\nAny motor vehicle that utilizes an auxiliary power unit or other idle reduction\ntechnology in order to promote reduction of fuel use and emissions due to engine\nidling shall be allowed up to an additional 550 pounds total in gross, single\naxle, tandem axle, or bridge formula weight limits.\n\t\tTo be eligible for this exception, the operator of the vehicle must be able to\nprove (i) by written certification, the weight of the auxiliary power unit or\nother idle reduction technology unit and (ii) by demonstration or written\ncertification, that such idle reduction technology is fully functional at all\ntimes.\n\t\tCertification of the weight of the auxiliary power unit must be available to\nlaw-enforcement officials if the vehicle is found in violation of applicable\nweight laws. The additional weight allowed cannot exceed 550 pounds or the\nweight certified, whichever is less.\n\t\tFor purposes of this section, “auxiliary power unit” means a\nmechanical or electrical device affixed to a motor vehicle that is designed to\nbe used to generate an alternative source of power for any of the motor\nvehicle’s systems other than the primary propulsion engine, and\n“idle reduction technology” refers to a technology that allows\nengine operators to refrain from long-duration idling of the main propulsion\nengine by using an alternative technology.\n\nHISTORY: 2009, c. 92; 2013, c. 118.","edition":{"id":1,"name":"2025","slug":"2025","date_created":"2026-06-21 22:39:22","date_modified":"2026-06-21 22:39:22","current":1,"order_by":1,"last_import":null}}