Columbus Piqiu Railroad.cOta citizens are not generally aware of the important movement now making to build h now railroad from Covington (aix mile* west of Piqua) to IUdnnoufl, Indiana, on the completion of whkh by j. April next, thuro will be a complete t. union of the Indiana Central with tho Piqua ik Indiana road, by which this w!Q become the great central route froUi Pittsburg aud from Cleveland West. The completion of the bridge over the Ohio Hirer, for the Panhandle road, will give the* Steubenville line a preference in time over the Crestline route to Union CHy. And the Cleveland road will choose to bring their freight and passengers to Columbus rather than port with them at tiallion, as theyuowdo. Somebody will be much surprised next year,«t finding that the town of Urbana is the yrcWf tTOWlVy.