http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Design guidelines for at-grade intersections near highway-railroad grade crossings
Geometric design guidelines for at-grade intersections near highway-railroad grade crossings
"Report number FHWA/TX-01/1845-3"--Technical rept. documentation p.
Includes bibliographical references (pages 33-34).