Noise barrier attenuation
Subtitle: Highway 401 south side, Dixon Rd. to Kipling Ave., Toronto
By: D.N. May.
Contributors: Ontario. Ministry of Transportation and Communications. Research and Development Division.
Series: 77-AC-09; AC (Series) -- 77-09.
Publisher: Ministry of Transportation and Communications, Research and Development Division
Published: 1977
Place of publication: [Downsview, ON]
Number of pages: 10
Subjects: Noise barriers -- Ontario -- Metropolitan Toronto.; Traffic noise -- Ontario -- Metropolitan Toronto -- Measurement.
Notes: "November 1977."

Includes bibliographical references.