Effects of twin 45s as turnpike doubles on Montana highways
By: prepared by Planning and Programming Office, Montana Department of Transportation
Publisher: Planning and Programming Office, Montana Department of Transportation
Published: 1992
Place of publication: [Helena, MT.]
Language: eng
Number of pages: 24
Subjects: Trucks; Sizes; Tractor trailer combinations; Traffic safety; Trucking; Government policy
Notes: "Dec., 1992."

Title from cover.