| Title: | Motorists' requirements for active grade crossing warning devices. Final report. |
| Author: | Ruden, R. J. |
| Author: | Wasser, C. F. |
| Author: | Hulbert, Slade |
| Author: | Burg, Albert |
| Note: | 1977 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Contrast |
| Subject: | Field experiments |
| Subject: | Flashing Signals |
| Subject: | Flashing traffic signals |
| Subject: | Laboratory Experiments |
| Subject: | Laboratory tests |
| Subject: | Optical Contrast/ Conspicuity |
| Subject: | Railroad grade crossings |
| Subject: | Railway Crossings |
| Subject: | Visibility |
| Subject: | Warning Signs/ Warning Signals |
| Subject: | Warning signs |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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