Kōtsūryō chōsa hōkokusho
Subtitle: Heisei 2-nendo zenkoku dōro kōtsū jōsei chōsa (dōro kōtsū sensasu)
By: [henshū Tōkyō-to Kensetsukyoku Dōro Kensetsubu Keikakuka]
Publisher: Tōkyō-to Kensatsukyoku Dōro Kensetsubu
Published: 1991
Place of publication: Tōkyō
Language: jpn
Subjects: Traffic surveys; Traffic flow
Notes: Cover title.

Each vol. accompanied by 2 folded col. maps in pocket.
Table of contents: title: 1. Kubu; title: 2. Shigunbu.