| Title: | Improvement of the effectiveness of motorist warnings at railroad highway grade crossings. Final report. |
| Author: | Hopkins, John B. |
| Author: | White, E. |
| 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: | Flashing Signals |
| Subject: | Flashing traffic signals |
| Subject: | Railroad grade crossings |
| Subject: | Railway Crossings |
| Subject: | Regulations |
| Subject: | Regulatory Standards |
| Subject: | Specifications |
| Subject: | Standardization |
| 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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