south carolina state highway dept barnwell argued january decided february amended denial rehearing march appeal district eastern district south carolina south carolina state highway dept barnwell steve griffith newberry thomas davis wilmington eugene blease newberry appellants king funkhouser frank coleman roanoke appellees justice stone delivered opinion act general assembly south carolina april large prohibits use state highways motor trucks motor trucks whose width exceeds inches whose weight including load exceeds pounds purposes weight limitation section statute provides semitrailer motortruck motor propelled truck trailer whose front end designed attached supported truck shall considered single unit principal question decision whether prohibitions impose unconstitutional burden upon interstate commerce appellees include original plaintiffs truckers interstate shippers interstate commerce commission certain others permitted intervene parties plaintiff suit brought district eastern south carolina various state officials enjoin enforcing sections act among ground superseded federal motor carrier act stat infringe due process clause fourteenth amendment impose unconstitutional burden interstate commerce certain railroads interested restricting competition interstate motor carriers permitted intervene parties defendant district three judges hearing evidence ruled challenged provisions statute superseded federal motor carrier act adopted ruling state state ex rel daniel john nutt challenged provisions exercise state power regulate use highways protect injury insure safe economical use violate fourteenth amendment held weight width prohibitions place unlawful burden interstate motor traffic passing specified highways state part concrete concrete base surfaced asphalt accordingly enjoined enforcement weight provision interstate motor carriers specified highway also width limitation inches except case vehicles exceeding inches width exempted operation decree bridges highways constructed sufficient strength support heavy trucks modern traffic narrow accommodate traffic safely provided state highway department place end bridge proper notices warning use bridge forbidden trucks exceeding weight width limits provided proper authorities take necessary steps enforce law use bridges case comes appeal section judicial code amended trial rested decision statute unreasonably burdens interstate commerce upon findings assailed large amount motortruck traffic passing interstate southeastern part normally pass highways south carolina barred state challenged restrictions enforced upon conclusion viewed light effect upon interstate commerce restrictions unreasonable reach conclusion weighed conflicting evidence made determinations weight width motortrucks commonly used interstate traffic capacity specified highways state accommodate traffic without injury danger users found interstate carriage motortrucks become national industry per cent motor trucks used interstate transportation inches wide gross weight loaded tons four prescribe gross load weight low pounds american association state highway officials national conference street highway safety department commerce recommended adoption weight width limitations weight limited axle loads pounds width limited inches found detail compliance weight width limitations demanded south carolina act seriously impede motortruck traffic passing state increase cost miles state highways including affected injunction standard construction concrete concrete base asphalt surface inches thick edges inches thick center capable sustaining without injury wheel load pounds axle load double amounts depending whether wheels equipped pneumatic tires miles specified highways feet width constitute connected system highways improved aid federal money grants part national system highways constitute one best highway systems southeastern part also found gross weight vehicles factor considered preservation concrete highways appropriate factor considered wheel axle weight vehicles engaged interstate commerce designed pressure weight distributed wheels axles gross loads pounds carried concrete roads without damage surface gross weight limitation amount especially applied semitrailer motortrucks unreasonable means preserving highways reasonable relation safety public using highways width limitation inches reasonable applied standard concrete highways state view fact permit width inches standard width trucks engaged interstate commerce reaching conclusions time holding weight width limitations infringe fourteenth amendment proceeded upon assumption commerce clause const art cl imposes upon state regulations secure safe economical use highways standard reasonableness exacting applied interstate traffic required fourteenth amendment traffic standard weight width motor vehicles appropriate state regulation applied intrastate traffic may prohibited effect interstate commerce although conditions attending two classes traffic respect safety protection highways south carolina built highways owns maintains received federal government aid highway improvements money grants expended upon highways injunction applies appellees challenge ruling district congress undertaken regulate weight size motor vehicles interstate motor traffic left undisturbed whatever authority regard retained constitution constitutional grant congress power regulate interstate commerce held operate force curtail state power forestall state action affecting interstate commerce ever since willson black bird creek marsh pet cooley board port wardens recognized matters local concern regulation unavoidably involves regulation interstate commerce local character number diversity may never fully dealt congress notwithstanding commerce clause regulation absence congressional action part left decisions subject applicable constitutional restraints commerce clause force prohibits discrimination interstate commerce whatever form method decisions recognized scope like operation state legislation nominally local concern point fact aimed interstate commerce necessary operation means gaining local benefit throwing attendant burdens without state robbins shelby county taxing district caldwell north carolina end practices commerce clause adopted see gibbons ogden wheat brown maryland wheat cooley board port wardens supra state freight tax case wall state tax railway gross receipts wall cook pennsylvania maine grand trunk baldwin seelig ii farrand records federal convention iii farrand records federal convention federalist xlii curtis history constitution story constitution commerce clause also thought set limitation upon state control interstate rail carriers preclude subordination efficiency convenience interstate traffic local service requirements present case affords occasion saying bare possession power congress regulate interstate traffic forces conform standards congress might adopted curtails power take measures insure safety conservation highways may applied like traffic moving intrastate subjects state regulation peculiarly local concern use state highways local regulation inseparable substantial effect interstate commerce unlike railroads local highways built owned maintained state municipal subdivisions state primary immediate concern safe economical administration present regulations others like purpose accomplish end must applied alike interstate intrastate traffic moving large volume highways fact affect alike shippers interstate intrastate commerce large number within well without state safeguard abuse beginning recognized state sees fit build maintain highways canals railroads absence congressional action regulation peculiarly within competence even though interstate commerce materially affected minnesota rate cases simpson shepard congress acting state regulation intrastate carriers upheld regardless effect upon interstate commerce id respect extent nature local interests protected unavoidable effect upon interstate intrastate commerce alike regulations use highways akin local regulation rivers harbors piers docks quarantine regulations game laws congress acting sustained even though materially interfere interstate commerce nature authority state highways often pointed may guise regulation discriminate interstate commerce absence national legislation especially covering subject interstate commerce state may rightly prescribe uniform regulations adapted promote safety upon highways conservation use applicable alike vehicles moving interstate commerce citizens morris duby formulation repeatedly affirmed clark poor sprout south bend sproles binford cf morf bingaman never disapproved often sustained exercise power although burdened impeded interstate commerce upheld weight limitations lower presently imposed applied alike motor traffic moving interstate intrastate morris duby supra sproles binford supra restrictions favoring passenger traffic carriage interstate merchandise truck similarly sustained sproles binford supra bradley public utilities commission ohio exaction reasonable fee use highways hendrick maryland kane new jersey interstate busses blodgett morf bingaman supra cf ingels morf cases regulation involves burden interstate commerce long state action discriminate burden one constitution permits inseparable incident exercise legislative authority constitution left congress exercise plenary power regulate interstate commerce may determine whether burdens imposed state regulation otherwise permissible great may legislation designed secure uniformity respects protect national interest commerce curtail extent state regulatory power legislative judicial function performed light congressional judgment appropriate regulation interstate commerce extent field state power local interests required yield national authority interest absence legislation judicial function commerce clause const art cl well fourteenth amendment stops inquiry whether state legislature adopting regulations present acted within province whether means regulation chosen reasonably adapted end sought sproles binford supra stephenson binford first inquiry already resolved decisions state may impose nondiscriminatory restrictions respect character motor vehicles moving interstate commerce safety measure means securing economical use highways resolving second courts sit legislatures either state national act congress weighing conflicting interests state national determines much state regulatory power shall yield larger interests national commerce reviewing state highway regulation congress acted called upon state legislatures determine judgment suitable restriction applied possible choose one opinion best adapted diverse interests affected parkersburg river transp parkersburg action legislature within scope power fairly debatable questions reasonableness wisdom propriety determination courts legislative body rests duty responsibility decision jacobson massachusetts laurel hill cemetery san francisco price illinois hadacheck sebastian thos cusack chicago euclid ambler realty zahn board public works standard oil marysville equally case legislative power one may legitimately place incidental burden interstate commerce less legislative power committed affects interstate commerce courts entitled interstate commerce affected substitute legislative judgment morris duby supra sproles binford supra minnesota rate cases supra smith louis reid colorado new york ex rel silz hesterberg since adoption one weight width regulation rather another legislative judicial choice constitutionality determined weighing judicial scales merits legislative choice rejecting weight evidence presented appears favor different standard cf worcester county trust riley legislative judgment presumed supported facts known legislature unless facts judicially known proved preclude possibility hence reviewing present determination examine record see whether findings supported evidence ascertain upon whole record whether possible say legislative choice without rational basis standard oil marysville supra borden farm products ten eyck record fail exclude possibility shows affirmatively adequate support legislative judgment outset noted underlying much controversy relative merit gross weight limitation axle wheel weight limitation evidence weight stresses concrete roads determined wheel rather gross load weights elements enter choice type weight limitation testimony show axle wheel weight limitation easily enforced resort weighing devices adapted ascertaining readily axle wheel weight appears practice weight truck loads evenly distributed axles wheels commonly larger part much per rear axle much easier load trucks make certain complied gross load weight limitation axle wheel weight limitation report national conference state highway safety relied suggested wheel weight limitation pounds also suggested gross weight limitation might adopted subject recommended wheel limitation conference declined fix amount gross weight limitation saying view varying conditions traffic lack uniformity highway construction several uniform limitations recommended general adoption throughout country choice weight limitation based convenience application consequent lack need rigid supervisory enforcement legislature say preference one sense arbitrary unreasonable choice condemned legislature prefers workable standard less likely violated another violations probably increased easily detected legislature say whether one test practical operation better protect highways risk excessive loads gross load weight adopted test obvious permissible load must somewhat lighter axle wheel weight test applied latter gross weight loaded motortruck never exceed twice axle four times wheel limit fact rear axle may often support much per cent gross load wheel weight like proportion requires gross load limit fixed considerably less four times permissible wheel limit testimony support conclusion highways question capable sustaining without injury wheel load pounds difference depending upon character tire use wheel load much pounds possible statutory load limit pounds applied motortrucks approximates axle limit addition gross load limit recommended national conference street highway safety much testimony appears based theoretical strength concrete highways laid ideal conditions none based actual study highways south carolina subgrade road building conditions prevail material bearing strength durability highways uncontradicted testimony approximately per cent south carolina standard paved highways question built without longitudinal center joint since become standard practice portion concrete surface adjacent joint strengthened reinforcement increasing thickness owing distribution stresses concrete roads use without center joint tendency develop irregular longitudinal cracks concrete center roads thinner edges result highway split two irregular segments weak inner edge according expert testimony capable supporting indefinitely wheel loads excess pounds little record mark controlling distinction application gross load weight limitation motortruck semitrailer motortruck testimony applicable types vehicle case accident danger momentum colliding vehicle increases gross load weight record without convincing evidence actual distribution practice gross load weight wheels axles permissible types simitrailer motortrucks enable us say legislature without substantial ground concluding relative advantages gross load wheel weight limitation substantially two types concluded nearly alike regulatory purposes justify adoption single standard matter practical convenience even legislature accept appellees assumption net load weights practice evenly distributed wheels supporting load permissible semitrailer statutory gross load limit load rear axle pounds might seen also conclude danger point reached case miles concrete state roads constructed without center joint considerations presumption constitutionality afford adequate support weight limitation without reference items testimony tending support furthermore south carolina experience ignored adoption limitation south carolina experience higher weight limits adopted combined gross weight limit pounds vehicles four wheels less axle weight limit pounds adopted combined gross weight limit tons axle weight limit vehicles two axles act march stat act march large pp appointed commission investigate motor transportation state recommend legislation report present weight limitation recommended commission full consideration relevant data including report state engineer constructed concrete highways state advised somewhat lower limitation necessary preservation fact many adopted different standard persuasive conditions highways must built several construction demands made upon uniform road building art record shows far attained scientific certainty precision scientific precision criterion exercise constitutional regulatory power sproles binford supra legislature free exercise judgment bound legislatures hardly contended adopted single standard none light experience exercise judgment upon complex elements enter problem change word need said width limitation large part highways question feet width approximately miles feet wide use truck leaves narrow margin passing road feet wide leaves none limitation force south carolina since concrete highways built appear adopted vehicles width record shows without contradiction use heavy loaded trucks highways tends force traffic concrete surface onto shoulders road adjoining edges increase repair costs materially appears also width trucks increased obstructs view highway causing much inconvenience increased hazard use plainly said width trucks used highways south carolina unrelated safety cost maintenance width limitation adopted safeguard highways state within range permissible legislative choice regulatory measures taken south carolina within legislative power infringe fourteenth amendment resulting burden interstate commerce forbidden reversed justice cardozo justice reed took part consideration decision case footnotes person shall operate highway motor truck truck sic whose gross weight including load shall exceed pounds person shall operate highway motor truck motor truck whose total outside width including part body load shall exceed inches state regulations affecting interstate commerce whose purpose effect gain within state advantage expense without burden state without corresponding advantage within thought impinge upon constitutional prohibition even though congress acted hall de cuir wabash illinois bowman chicago western union telegraph james compare western union telegraph pendleton packing haydel compare geer connecticut new york ex rel silz hesterberg baldwin seelig see western union telegraph kansas et underlying stated rule thought often expressed judicial opinion regulation character burden falls principally upon without state legislative action likely subjected political restraints normally exerted legislation affects adversely interests within state see cooley board port wardens gilman philadelphia wall escanaba transp chicago lake shore ohio ex rel lawrence cf pound turck gloucester ferry pennsylvania robbins shelby county taxing district supra see illinois central illinois cleveland illinois mississippi comm illinois central atlantic coast line wharton herndon chicago chicago railroad comm wisconsin louis san francisco public service comm missouri compare gladson minnesota lake shore ohio ex rel lawrence gulf texas statutes requiring local service greater necessary fair accommodation local needs held constitutional although usually allowed impose burdens interstate railroads interest local safety smith alabama nashville alabama new york new york chicago arkansas louis arkansas cf hennington georgia unnecessarily harsh restriction even though interest safety held unconstitutional seaboard air line ry blackwell among state regulations materially affecting interstate commerce upheld congress acting sanction obstructions navigable rivers willson black bird creek marsh pet ex parte mcniel wall pound turck wilson mcnamee huse glover cf sands manistee river improvement approve erection bridges navigable streams gilman philadelphia wall escanaba transp chicago cardwell american river bridge willamette iron bridge hatch lake shore ohio require payment fees incident use harbors cooley board port wardens pacific mail joliffe wall anderson pacific coast clyde mallory lines alabama ex rel state docks cf county mobile kimball control location docks cummings chicago impose wharfage charges keokuk northern line packet keokuk cincinnati packet catlettsburg parkersburg river transp parkersburg ouachita river packet aiken establish inspection quarantine laws turner maryland morgan louisiana louisiana board health patapsco guano north carolina board agriculture rasmussen idaho smith louis reid colorado new mexico ex rel mclean denver asbell kansas red oil mfg board agriculture savage jones pure oil minnesota mintz baldwin cf hannibal husen minnesota barber brimmer rebman regulate taking exportation domestic game geer connecticut new york ex rel silz hesterberg cf packing haydel holding invalid local regulation ostensibly designed conserve natural resource whose purpose effect benefit louisiana enterprise expense businesses outside state