{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Traffic Signal Operations and Maintenance Staffing Guidelines","author_name":"U.S. Department of Transportation, Federal Highway Administration","thumbnail_url":"https://www.ebooknetworking.net/books/150/856/big1508568731.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1508568731.html\">Traffic Signal Operations and Maintenance Staffing Guidelines</a>","width":400,"height":300}