# Idea Store 4

Pennsylvania Department of Transportation Video VH-232 Idea Store 4 Various ideas submitted by local agencies include steel grates for water runoff on rural roads, slush snow and ice buildup on snow removal equipment, ditch filling in road resurfacing, minimizing aggregate loss during blading, using discarded tires, and portable road signs.

- Kind: Educational
- Year: 1990
- By: Pennsylvania Department of Transportation
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dot.fhwa.ttp.vh-232)
- 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.