290 Part 658—Truck Size and Weight, Route Designations

Pt. 658 23 CFR Ch. I (4–1–13 Edition) The enforcement of vehicle size and weight States are more advanced in their enforce- laws requires that vehicles be weighed but it ment activities. Some have special experi- does not logically follow that the more vehi- ence with portable, semi-portable, fixed, or cles weighed, the more effective the enforce- weighing-in-motion devices. Others have op- ment program, especially if the vehicles are erated permanent scales in combination with weighed at a limited number of fixed loca- concentrated safety inspection programs. tions. A ‘‘numbers game’’ does not nec- The FHWA is interested in information on essarily provide a deterrent to deliberate individual State experiences in these special- overloading. Consistent, vigorous enforce- ized areas as part of initial plan submissions. ment activities, the certainty of apprehen- If such information has recently been fur- sion and of penalty, the adequacy of the pen- nished to the Washington Headquarters, an alty, even the publicity given these factors, appropriate cross reference should be in- may be greater deterrents than the number cluded on the submission. of weighings alone. It is the policy of the FHWA to avoid red In recognizing that all States are unique in tape, and information volunteered by the character, there are some similarities be- States will be of assistance in meeting many tween certain States and useful perspectives needs. The ultimate goal in developing infor- may be obtained by relating their program mation through the evaluation process is to elements. Some comparative factors are: assemble criteria for a model enforcement 1. Truck registration (excluding pickups program. and panels) 2. Population 3. Average Daily Traffic (ADT) for trucks PART 658—TRUCK SIZE AND on FA highways WEIGHT, ROUTE DESIGNATIONS— 4. To total mileage of Federal-aid high- LENGTH, WIDTH AND WEIGHT ways 5. Geographic location of the State LIMITATIONS 6. Annual truck miles traveled in State 7. Number of truck terminals (over 6 doors) Sec. 8. Vehicle miles of intrastate truck traffic 658.1 Purpose. Quantities relating to the above items can 658.3 Policy statement. become factors that in the aggregate are de- 658.5 Definitions. scriptive of a State’s characteristics and can 658.7 Applicability. identify States that are similar from a 658.9 National Network criteria. trucking operation viewpoint. This is espe- 658.11 Additions, deletions, exceptions, and cially applicable for States within the same restrictions. area. 658.13 Length. After States with similar truck traffic op- 658.15 Width. erations have been identified in a regional 658.16 Exclusions from length and width de- area, another important variable must be terminations. considered: the type of weighing equipment 658.17 Weight. that has been or is proposed for predominant use in the States. When data become avail- 658.19 Reasonable access. able on the number of trucks weighed by 658.21 Identification of National Network. each type of scale (fixed, portable, semi-port- 658.23 LCV freeze; cargo-carrying unit able, etc.) some indicators will be developed freeze. to relate one State’s effort to those of other APPENDIX A TO PART 658—NATIONAL NET- States. The measures of activity that are a WORK—FEDERALLY-DESIGNATED ROUTES part of each certification submitted will pro- APPENDIX B TO PART 658—GRANDFATHERED vide a basis for the development of more pre- SEMITRAILER LENGTHS cise numerical criteria by which an enforce- APPENDIX C TO PART 658—TRUCKS OVER 80,000 ment plan and its activities can be judged for POUNDS ON THE INTERSTATE SYSTEM AND adequacy. TRUCKS OVER STAA LENGTHS ON THE NA- Previous certifications have provided in- TIONAL NETWORK formation from which the following gross APPENDIX D TO PART 658—DEVICES THAT ARE scale capabilities have been derived. EXCLUDED FROM MEASUREMENT OF THE LENGTH OR WIDTH OF A COMMERCIAL Potential Weighing Capacities MOTOR VEHICLE 1. Permanent scales 60 veh/hr. AUTHORITY: 23 U.S.C. 127 and 315; 49 U.S.C. 2. Weigh-in-motion scales 100 veh/hr. 31111, 31112, and 31114; sec. 347, Pub. L. 108–7, 3. Semi-portable scales 25 veh/hr. 117 Stat. 419; sec, 756, Pub. L. 109–58, 119 Stat. 4. Portable scales 3 veh/hr. 829; sec. 1309, Pub. L. 109–59, 119 Stat. 1219; To meet the mandates of Federal and other sec. 115, Pub. L. 109–115, 119 Stat. 2408; 49 CFR laws regarding truck size and weight en- 1.48(b)(19) and (c)(19). forcement, the FHWA desires to become a re- source for all States in achieving a success- SOURCE: 49 FR 23315, June 5, 1984, unless ful exchange of useful information. Some otherwise noted. 290 VerDate Mar<15>2010 08:19 May 09, 2013 Jkt 229079 PO 00000 Frm 00300 Fmt 8010 Sfmt 8010 Y:\SGML\229079.XXX 229079 wreier-aviles on DSK5TPTVN1PROD with CFR Federal Highway Administration, DOT § 658.5 § 658.1 Purpose. Cargo-carrying unit. As used in this The purpose of this part is to identify part, cargo-carrying unit means any a National Network of highways avail- portion of a commercial motor vehicle able to vehicles authorized by provi- (CMV) combination (other than a truck sions of the Surface Transportation As- tractor) used for the carrying of cargo, sistance Act of 1982 (STAA) as amend- including a trailer, semitrailer, or the ed, and to prescribe national policies cargo-carrying section of a single-unit that govern truck and bus size and truck. The length of the cargo carrying weight. units of a CMV with two or more such units is measured from the front of the [59 FR 30419, June 13, 1994] first unit to the rear of the last [including the hitch(es) between the § 658.3 Policy statement. units]. The Federal Highway Administra- Commercial motor vehicle. For pur- tion’s (FHWA) policy is to provide a poses of this regulation, a motor vehi- safe and efficient National Network of cle designed or regularly used to carry highways that can safely and effi- freight, merchandise, or more than ten ciently accommodate the large vehi- passengers, whether loaded or empty, cles authorized by the STAA. This net- including buses, but not including vehi- work includes the Interstate System cles used for vanpools, or recreational plus other qualifying Federal-aid Pri- vehicles operating under their own mary System Highways. power. Drive-away saddlemount vehicle trans- § 658.5 Definitions. porter combination. The term drive- Automobile transporters. Any vehicle away saddlemount vehicle transporter combination designed and used specifi- combination means a vehicle combina- cally for the transport of assembled tion designed and specifically used to highway vehicles, including truck tow up to 3 trucks or truck tractors, camper units. each connected by a saddle to the Beverage semitrailer. A van-type, drop- frame or fifth wheel of the forward ve- frame semitrailer designed and used hicle of the truck tractor in front of it. specifically for the transport and deliv- Such combinations may include up to ery of bottled or canned beverages (i.e., one fullmount. liquids for drinking, including water) Dromedary unit. A box, deck, or plate which has side-only access for loading mounted behind the cab and forward of and unloading this commodity. the fifth wheel on the frame of the Semitrailer has the same meaning as power unit of a truck tractor- in 49 CFR 390.5. semitrailer combination. Boat transporters. Any vehicle com- Federal-aid Primary System. The Fed- bination designed and used specifically eral-aid Highway System of rural arte- to transport assembled boats and boat rials and their extensions into or hulls. Boats may be partially disassem- through urban areas in existence on bled to facilitate transporting. June 1, 1991, as described in 23 U.S.C. Bridge gross weight formula. The 103(b) in effect at that time. standard specifying the relationship Fullmount. A fullmount is a smaller between axle (or groups of axles) spac- vehicle mounted completely on the ing and the gross weight that (those) frame of either the first or last vehicle axle(s) may carry expressed by the for- in a saddlemount combination. mula: Interstate System. The National Sys- tem of Interstate and Defense High- ⎛ LN ⎞ ways described in sections 103(e) and W = 500 ++12N 36 139(a) of Title 23, U.S.C. For the pur- ⎝ N −1 ⎠ pose of this regulation this system includes toll roads designated as Inter- where W=overall gross weight on any group state. of two or more consecutive axles to the nearest 500 pounds, L=distance in feet be- Length exclusive devices. Devices ex- tween the extreme of any group of two or cluded from the measurement of vehi- more consecutive axles, and N=number of cle length. Such devices shall not be axles in the group under consideration. designed or used to carry cargo. 291 VerDate Mar<15>2010 08:19 May 09, 2013 Jkt 229079 PO 00000 Frm 00301 Fmt 8010 Sfmt 8010 Y:\SGML\229079.XXX 229079 wreier-aviles on DSK5TPTVN1PROD with CFR EC14OC91.011</MATH> § 658.5 23 CFR Ch. I (4–1–13 Edition) Longer combination vehicle (LCV). As (ii) Destroy the value of the load or used in this part, longer combination vehicle, i.e., make it unusable for its vehicle means any combination of a intended purpose; or truck tractor and two or more trailers (iii) Require more than 8 workhours or semitrailers which operates on the to dismantle using appropriate equip- Interstate System at a gross vehicle ment. The applicant for a nondivisible weight greater than 80,000 pounds. load permit has the burden of proof as Maxi-cube vehicle. A maxi-cube vehi- to the number of workhours required cle is a combination vehicle consisting to dismantle the load.

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