RICHMOND, Va. (AP) — United Parcel Service Inc. said Monday its heavy-freight division improved transit times on more than 1,200 traffic lanes with improvements such as two-day lanes from Chicago to Dallas and overnight shipments from Cincinnati to Memphis, Tenn.

The division of United Parcel Service said the improvements occurred in lines starting in the Midwest, Northeast and Mid-Atlantic. The company said it has reduced shipping times on more than 10,000 lanes over the last 18 months.

Other new two-day lanes include Boston to St. Louis and Philadelphia to Miami, UPS said. Overnight shipping now covers Columbus, Ohio, to Charlotte, N.C.