Show Traffic in Large Cities Several Se leading cities In time the country coun coun- try are arc adapting the pokey ot of lag Ing the crosswise l from the thoroughfare ut at busy intersections Inter inter- sections by ele ig or depressing the lie crosswise thoroughfare In satire sume cases time the grade glude separation Is effected lI by raising the level of one street slightly and depressing the level of time the other so that there Is a minimum change ot of grade at either thorough thorough- furl fare Among the cities which have adopted such I pro are New NewYork York rork Chicago Pittsburgh St St. Louis und and Sun Francisco |