# BUILDING BITUMINOUS ROADS

BUILDING BITUMINOUS ROADS Produced: 1922 Description A bituminous macadam road is constructed. Bituminous asphalt is spread upon the road bed, chipped stone is added, and an additional layer of hot asphalt is spread. Shows how bituminous paving products (asphalt and tar) are tested. Includes shots of the Lincoln Highway, the Columbia River Highway, and Broad Street in Philadelphia. https://catalog.archives.gov/id/7145

- Kind: Educational
- Year: 1922
- By: National Archives
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/33-169)
- Licence or status: none stated by the archive
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/33-169?play=1)