{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"[ Observational Before--After Studies in Road Safety: Estimating the Effect of Highway and Traffic Engineering Measures on Road Safety ] By Hauer, E ( Author ) [ 1997 ) [ Hardcover ]","author_name":"E Hauer","thumbnail_url":"https://www.ebooknetworking.net/books/B00/GTO/bigB00GTORK9U.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00GTORK9U.html\">[ Observational Before--After Studies in Road Safety: Estimating the Effect of Highway and Traffic Engineering Measures on Road Safety ] By Hauer, E ( Author ) [ 1997 ) [ Hardcover ]</a>","width":400,"height":300}