You can find directions on using the PL-94-171, Census 2000 re-districting file on the TRB
Census Subcommittee webpage at:
www.mcs.com/~berwyned/census/products/pl2gis.html
Nandu Srinivasan who works as a contractor for FHWA prepared these notes for ArcView users
because that is his software background/experience. FHWA is unable to provide direct
technical assistance to individuals on using specific software packages.
Elaine Murakami
FHWA Metropolitan Planning