http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
evaluation of signing for three-lane roundabouts
1 online resource (12 pages) : color illustrations
Title from title screen (viewed May 10, 2011).
Includes bibliographical references (pages 11-12).
Summary report (FHWA Traffic Safety Research Program)