In the pub110 lntereat. Thla ham b4en 1eglalatlvelp, judIoIally, and admInlatratlvrlg reoognlzea and no one would lerlouely ~eatlon the ralldltg of thla prlnolple. from all the tOregOIng, we oonolude that the statutes of Texas pboe the Railroad Conmission under a mandatory duty to perform the power of preeorlblng rater Sor obasrvanoe by oommon oarrior motor octrriora, Inoludlng oommon oarrler apeolallzed motor oerrlers, and that this legj alatlve delo- gatlon ot power end pleoement OS duty renders it lnoumbent upon the CommiaaIon to fix, presorlbe, or approve the m~xFmum or minimum, or maximum and minimum, rat.8 to be obswvsd by lp4olallz4d motor oarrlera authorized tot renaport llveatook, llreatook fe4daturra, and farm maohlnery.
14 have heretofore observed that the power, auth- orlty, and duty of the Rallroad Ccamiiaaion with roferenoe to the promulgation of rates la Identloal with referenoe both to regular oommon oarrler motor oerriera and to apeoIalIz4a common carrier motor oarrler4. The eaaentIal dirferenoe between the two types of oarriars 10 that the regular motor oarrler la required to opereto over regular routes on regular aohedules, wherean the apoolalIzed oarrier la authorized to operate over Irregular routea and with Irregular aoheaulea~~ In many, it not most, Inrtenoer tho lpeolallz4d oarrler duplloat4a and la in dlreot oompetltlon uIth tho railroada ana regular rout4 motor oarrlors. The Commlaalon has of oourae without exoeption preaorlbed retoa for obrervanoe by the mllroeda and the regular rout4 motor oarriera. Xt la at onoo manlfeot that if it la praotloable for the Com- mlaalon to preaorlbe rates for cbaorvanoe by the rellroada
Honomblo Olin Culberaon - Peg8 9
and the regular oommon oarrlera, It would llkewlae be prao- tloable for the Commlaalon to preaorlbo rat08 for l peolallz4d oarrlora porformlng 4aaantially thr same transportation am- vloo. It follows that for thr Commiralon to rrfU@o to do so In auoh oaar #could pore the quoatlon of unlawful dlaorlml- nation agalnat the rallr~da and the regular rout0 oommon oar- rlera. On@ of the oxproaa purposes of the 1941 apeolallzed motor oarrler aot la stated in Seotlon 1, herelnbeforr quoted, 00 roll0wa:
qrovld4 regulation for all oommon oarriera, without unjust dlaorlminatlon, undue praf- lrenooa or adventagea, unfati or deatruotlvo oompetltlv4 praotloea~ lmprovo the relationa between and ooordlnats tranaportatlon by the regulation of auoh motor oarrlera and other oommon oarrlera; preserve the common oarrlera serving the pub110 In the transportation of ~o~*o~ltl4a generally over regular rout00
To illustrate, we will assume that the l peoIzllze$ oarrier la authorlz4d to transport llveato~k and livestook r4odatufra from and to Tort Worth and Sweetwater and that auoh oarrler transports feed from Fort Worth to Sweetwater and llveatook from Swretwater to lort Worth. lb10 oarrlage la alreotlr oampetitivo with tho railroads and with regular route motor oarrlera authorized to operato between there points and the Oomm.laalon has preaorlbed rater for obaervanoe by the rellroeda and the regular route motor oarrlera. If the CozMoalon refuaea to preaorIbe rater for a l peolallzed oerrler in auah 4 oaae, It Is obvloua that dlaorlmlnatlon will result and