# SHRP Innovations: Pavement Maintenance and Worker Safety

Federal Highway Administration Video VH-284 SHRP Innovations: Pavement Maintenance and Worker Safety A variety of SHRP's preventive maintenance and work zone safety research is briefly described and promoted. These include a maintenance rating guide, a new test for voids under concrete pavement, new manuals of practice for repairs, robotic pothole patching and crack sealing machinery, vehicle-mounted ground- penetrating radar for pavement damage detection, and a seismic pavement analyzer. Safety devices include an all-terrain sign, a portable rumble strip, a flashing stop-slow panel, an intrusion alarm, and portable crash cushions.

- Kind: Educational
- Year: 1993
- By: Federal Highway Administration
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dot.fhwa.ttp.vh-284)
- 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.