Source
|
Title and Description
|
AASHTO
|
|
ENTERPRISE
|
|
FHWA
|
|
Florida DOT
|
|
Georgia - Gwinnett County
|
|
Iowa DOT
|
|
Iowa State University Institute for Transportation
|
|
ITS International
|
|
Maine DOT
|
|
Michigan DOT
|
|
Minnesota DOT
|
|
Minnesota – Wright County
|
|
National Committee on Uniform Traffic Control Devices
|
|
National Highway Traffic Safety Administration
|
|
National Science Foundation
|
|
New Hampshire DOT
|
|
North Carolina DOT
|
|
PennDOT
|
|
ScienceDIrect
|
|
The Urban Transportation Monitor
|
|
Transportation Research Record
|
|
University of Minnesota Center for Transportation Studies
|
|
Utah DOT
|
|
Washington State DOT
|
|
Wisconsin DOT
|
|