# Innovative Pavement Maintenance Technology

Colorado Department of Transportation Video VH-412 Innovative Pavement Maintenance Technology An overview of a field demonstration program conducted by Ahmad Ardani of Colorado DOT in April 1998. Ardani presented what SHRP has learned about joint seals in concrete pavements, demonstrated use of a Georgia Fault Meter (to measure differences in elevation across joint seals), and demonstrated use of an Iowa Vacuum Tester (to detect leaks in joint seals), however there were no details in the video, only mention that these things were done during the program. The video briefly demonstrated the step by step use of spray injection pavement patching systems and includes contact information for the Dura Patcher and Roadpatcher systems.

- Kind: Educational
- Year: 1998
- By: Colorado Department of Transportation
- Genres: Education, Science
- Archive: [Internet Archive](https://archive.org/details/gov.fhwa.ttp.vh-412)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/1.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

Not offered: its uploader or archive marks it public domain, and nothing the site holds bears that out (its record gives no year, or a year from 1978 on, which no US term has left), so where it is free is not known. Unclear is not offered.