Speed trends on Indiana rural interstate highways
Subtitle: joint highway research project : traffic report
By: David L. Cochran.
Publisher: Purdue University, School of Civil Engineering; Indiana, Dept. of Highways
Published: 1989
Place of publication: West Lafayette, Ind; [Indianapolis, Ind.]
Language: eng
Number of pages: 51
Subjects: Traffic surveys -- Indiana.; Automobiles -- Indiana -- Speed -- Statistics.
Notes: "JHRP-89/3."