Show ENORMOUS RAISE TO BE CONSIDERED Freight Tariffs Aggregating Half Billion Increase To Be Heard Washington Aug 14 in freight rates aggregating according to 0 estimates made by the th interstate corn com commerce merce commission an annually annually in official classified territory te that part of ot the country north of ot the Ohio and Potomac and east of tf the Mississippi river will be considered at a hearing that begins tomorrow In New York City It is probable that the formal hear hearing hearing hearing ing of the evidence In the case will be postponed until a later date probably September 7 because the railroads are not fully prepared to proceed The tariffs involved have been postponed until November 1 Meantime the ex existing exIsting existing rates are in effect According to unofficial figures made by b the com coin commission commission mission the advances shown by b the tariffs averaged about 16 IG per cent over oer existing rates This advance Is distributed among transportation lines being baing an average of something more than Jl 1 a year ear each Reports received by the commission indicate that the increases in operating ing expenses of the roads during the thelast thelast last ten years have been very heavy The greatest single Item of or increase Is isi in i the cost of or labor which Is estimated to be about per cent cant of the expense oj oi operation It will be necessary for the rail railroads railroads railroads roads under the existing law to justify jusUf their advance by affirmative proof of or their necessity In other words word the burden burd n of or proof of ot the reasonableness of ot the tho increases will rest on the car carriers carriers carriers |