Postwar Lionel O Gauge UCS remote control track set, 140 banjo signal, 154 automatic road crossing signal, 161 mail pickup set, 252 automatic crossing gate and 450 operating signal bridge in original boxes.  Accessories look C7-9.  UCS box is a brick.  140 has a torn end flap fold, very square and very solid.  154 box has a torn end flap fold, very square and very solid.  161 box has a very small minor tear at edge of cellophane display window, bright, clean, very square and very solid desirable box, factory sealed 161-31 components envelope for ASSEM. No. 161-30.  252 has two tears at cellophane display window, missing a tuck flap, still very square and solid.  450 box has insert and factory sealed 450-43 components envelope, small tear from corner of inner flap into side panel, tear to end flap fold, clean, bright, very square and very solid.  Several boxes have original price stickers.  Great lot of boxed track accessories in better than usual condition.