00818cam a2200265 4500 528912 528912 1717411 NUST 20190916070337.0 700820s1970 ctua bs 000 0 eng 72109499 MSOHAIL DLC DLC DLC n-us--- HE5620.S6 W56 388.31 WIT Witheford, David K. 20748 Speed enforcement policies and practice [by] David K. Witheford. Saugatuck, Conn., Eno Foundation for Transportation, 1970. x, 133 p. illus. 23 cm. Includes bibliographies. Speed limits United States. 20749 Eno Foundation for Transportation. 20027 7 cbc orignew 2 ncip 19 y-gencatlg ddc BK 0 0 ddc 0 0 NIT NIT 2019-09-16 0 388.31 WIT NIT-10570 2019-09-16 2019-09-16 BK