| Original language | English (US) |
|---|---|
| Place of Publication | Urbana, Ill |
| Publisher | University of Illinois Urbana-Champaign |
| State | Published - 1992 |
Publication series
| Name | Illinois Cooperative Highway Research Program Series |
|---|---|
| No. | 239 |
Speed reduction effects of changeable message signs in a construction zone : a report of the findings of investigation of speed control methods in work zones
R. F. Benekohal, Jie Shu
Research output: Book/Report/Conference proceeding › Technical report