Idaho Administrative Code
Title IDAPA 39 - Transportation, Department of
Rule 39.03.06 - RULES GOVERNING SPECIAL PERMITS FOR EXTRA-LENGTH/EXCESS WEIGHT, UP TO 129,000 POUND VEHICLE COMBINATIONS
Section 39.03.06.200 - DESIGNATED ROUTES FOR EXTRA LENGTH VEHICLE COMBINATIONS UP TO ONE HUNDRED TWENTY-NINE THOUSAND (129,000) POUNDS

Universal Citation: ID Admin Code 39.03.06.200

Current through August 31, 2023

In addition to the requirements listed in Sections 300 and 400, vehicle combinations operating up to one hundred twenty-nine thousand (129,000) pounds, must meet the following requirements: (3-31-22)

01. Brakes. All axles shall be equipped with brakes that meet the Federal Motor Carrier Safety Regulations and shall be maintained to the Federal Motor Vehicle Safety Standards No. 121 in effect at the time the commercial motor vehicle was manufactured. (3-31-22)

02. Designated Routes for Vehicle Lengths. All designated state approved routes for vehicle combinations to operate at designated lengths are identified on the "Designated Extra Length Excess Weight up to 129,000 Pound Map" which is available at the Idaho Transportation Department. (3-31-22)

03. Designated Routes for Vehicle Weight. All designated state approved routes for vehicle combinations to operate at weights above one hundred five thousand five hundred (105,500) pounds will be identified on the "Designated Extra Length Excess Weight up to 129,000 Pound Map" which is available at the Idaho Transportation Department. (3-31-22)

04. Requests for Adding Idaho Transportation Department Maintained Non-Interstate Routes. Routes not currently designated to operate at up to one hundred twenty-nine thousand (129,000) pounds may be added as follows: (3-31-22)

a. Request Form Submission. The request form (ITD form number 4886) will be completed and submitted to the Idaho Transportation Department Office of the Chief Engineer by the requestor. The requestor will forward the form to the adjacent local jurisdictions. (3-31-22)

b. Request Review/Analysis Process. (3-31-22)

i. Once submitted, the request will be reviewed for completeness and the department's analysis will be completed for engineering and safety criteria. The criteria shall include assessment of pavement and bridges to allow legal tire, axle, and gross weight limits as per Section 49-1001 and 49-1002, Idaho Code, and route off-track requirements which includes road width and curvature. Additional consideration shall be given to traffic volumes and other safety factors. (3-31-22)

ii. Once the analysis is completed, the request will be submitted to the Chief Engineer, who will report to the Idaho Transportation Board Sub-committee. (3-31-22)

iii. The Idaho Transportation Board Sub-committee will make a recommendation (approve, reject, or request additional information) to the Idaho Transportation Board based upon the Department's analysis. (3-31-22)

iv. If the Idaho Transportation Board recommends approval or denial, it shall instruct the Chief Engineer to issue a letter of determination. An adverse person may contest the letter of determination and request a hearing. The hearing will be conducted pursuant to the Idaho Administrative Procedures Act, Title 67, Chapter 52, Idaho Code. (3-31-22)

v. The Chief Engineer or designee will conduct the hearing(s) and make a determination after the hearing(s) are held. Following the determination, the Chief Engineer will issue Findings and a Preliminary Order, hereafter referred to as Preliminary Order. (3-31-22)

vi. The Department will notify the requestor of the Chief Engineer's Preliminary Order and post to the Idaho Transportation Department Web site. (3-31-22)

vii. An appeal of the Preliminary Order may be made pursuant to the Idaho Administrative Procedures Act, Title 67, Chapter 52, Idaho Code. The appeal shall be made to the Director of the Idaho Transportation Department. (3-31-22)

c. Local Highways Approved for Travel Up to 129,000 Pounds. Local routes will be added or removed on the "Designated Routes Up to 129,000 Pound Map" when information and approval is provided to the Department by the local jurisdiction having authority over the local route. (3-31-22)

Disclaimer: These regulations may not be the most recent version. Idaho may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.

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