The book has no illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from the publisher's website (GeneralBooksClub.com). You can also preview excerpts of the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Publisher: Chicago, Ill.: Chicago Transit Authority; Springfield, Va.

: National Technical Information Service [distributor; Publication date: 1980; Subjects: Origin and destination traffic surveys; Traffic surveys;.