TY - BOOK AU - Transportation Research Board, Washington D.C. TI - Transportation research record : traffic control devices SN - 9780309369770 U1 - 388.31 PY - 2016/// CY - Washington D.C. PB - Transportation Research Board KW - UR - trrjournalonline.trb.org/toc/trr/2016/2562/+ ER -