Traffic characteristics on Illinois highways / State of Illinois, Department of Transportation, Office of Planning, Programming, and Environmental Review.

Program: HathiTrust Digital Library

Publisher: The Office
Print ISSN: 0082-5832
Electronic ISSN:
OCLC Number: 3383274

Validation: None
Retention: permanent
Institution: HathiTrust
Facility:
OCLC Symbol: HATHI
Holdings Format: Print

Materials	Archive Action	Date of Action	Program	Status/Note
1958-1959; 1958-60; 1960-1967; 1967-68; 1968-1969; 1969-70; 1970; 1971-1972; 1971-1973; 1971-73; 1973-1975; 1974-1975; 1975; 1974-76; 1976; 1976-1977; 1977; 1976-1978; 1978; 1980; 1979-1981; 1981-1983; 1978-1984 (Incompl.); 1984-1996; 1986-1997; 1997-1998	committed to retain	2020-11-10	HTDL