FHWA Policy Memorandums |
Canceled on January 15, 2010; Superseded by the MUTCD, 2009 Edition
VMS & Lane Use Control Signs:
Visibility and Spacing of lane Control Signs for Freeway Traffic Management | TTI | Rpt No. FHWA-TX-95-1498-1 | 1994 |
Effectiveness of CMS Displays in Advance of High-Speed Freeway Lane Closure | TRB | NCHRP Rpt No. 235 | 1981 |
Guidelines on Use of CMS | FHWA | Rpt No. FHWA-TS-90-043 | 1991 |
CMS | TRB | 1979 | |
CMS | TRB | NCHRP Synthesis No. 61 | 1997 |
Motorist Interpretation of X and Yellow Diagonal Arrow in Freeway Lane Control Signal Array | TRB | NCHRP Synthesis No.
237 Research Record No. 1495 |
1995 |
Yellow Transition Lane Control Signal Symbols for Freeway Traffic Management | TTI | Rpt No. FHWA-TX-97-1498-2 | 1996 |
Manual on Real-Time Motorist Information Displays | FHWA | Rpt No. FHA-1P-86-016 | 1986 |
Driver Interpretations of Existing and Potential Lane Control Signal Symbols for Freeway Traffic Management | TTI | FHA-TX-93-1298-1 | 1993 |
Assessment of CMS Technologies | FHWA | Rpt No. FHWA-RD-87-025 | 1986 |
Changeable Message Sign Visibility | FHWA | Rpt No. FHWA-RD-94-077 | 4/1996 |
CMS A Driver Preference Survey | Ont. Ministry Transport | Rpt No. FHWA-15F 88-03 | 12/1988 |
Assessment of CMS Technology | FHWA | Rpt No. FHA-RD-87-025 | 1986 |
Guidelines on the Use & Operation of CMS | TTI | FHWA-TX-92-1232-9 | 11/1992 |
Memorandum: Use of Changeable Message Signs, January 19, 2001
United States Department of Transportation - Federal Highway Administration |