▁pass ▁under ▁Detroit ▁Avenue . ▁ ▁Four th ▁Er ie ▁le ase ▁On ▁March ▁ 6 , ▁ 1 8 8 3 , ▁the ▁Er ie ▁Rail road ▁le ased ▁the ▁NY P & O . ▁ ▁By ▁ 1 8 8 6 , ▁the ▁C & M V ▁was ▁the ▁NY P & O ' s ▁most ▁important ▁line , ▁generating ▁ 5 5 ▁percent ▁of ▁the ▁entire ▁NY P & O ' s ▁ ▁of ▁annual ▁fre ight . ▁There ▁was ▁so ▁much ▁fre ight ▁traffic ▁on ▁the ▁C & M V ▁that ▁the ▁line ▁was ▁over loaded . ▁Its ▁do cks ▁in ▁Cleveland ▁were ▁still ▁not ▁autom ated , ▁and ▁the ▁use ▁of ▁manual ▁labor ▁left ▁so ▁much ▁fre ight ▁back ed ▁up ▁that ▁the ▁do cks ▁actually ▁moved ▁less ▁fre ight ▁in ▁ 1 8 8 6 ▁than ▁they ▁did ▁in ▁ 1 8 8 5 . ▁ ▁A ▁joint ▁study ▁of ▁the ▁situation ▁by ▁the ▁Er ie ▁and ▁C & M V , ▁released ▁in ▁February ▁ 1 8 8 8 , ▁recommended ▁that ▁the ▁line ▁between ▁Cleveland ▁and ▁Young st own ▁finally ▁be ▁double - track ed ▁at ▁a ▁cost ▁of ▁$ 1 . 2 5 ▁million ▁($ ▁in ▁ ▁dollars ). ▁The ▁study ▁also ▁recommended , ▁among ▁other ▁things , ▁that ▁new ▁steam - power ed ▁un load ers ▁be ▁built ▁at ▁the ▁Cleveland ▁do cks ▁at ▁a ▁cost ▁of ▁$ 2 5 0 , 0 0 0 ▁($ ▁in ▁ ▁dollars ). ▁ ▁Double -