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Welcome to The Roader's Digest - the SABRE Wiki, the most complete archive of information on the British and Irish road networks on the web.
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With our extensive research and knowledge base over many years, the Roaders Digest is the most comprehensive database of British and Irish roads related information online. Whether you are interested in the A1, the R999 or the ZC163, road features and designs, street furniture or mapping history, we have it covered, although not always as completely as we'd like. This is where you come in! If you find an error, omission or just feel you can add to the Wiki, why not help out?		Any SABRE member can add and correct information, so if you see something that needs updating or expanding, please dive in. If you are new to Sabre and would like to contribute to the Roader's Digest, there is plenty of help available at the following links, or on our Forums Want to contribute? Here's a list of what needs doing now! SABRE Wiki Guides Main Help Page Full Contents

Contents
Current Road Lists	The Road Network	Road Features	Road History
GB: Motorways  • A Roads  • B Roads NI: Motorways  • A Roads  • B Roads RoI: Motorways  • N Roads  • R Roads Channel Islands: A Roads  • B Roads Isle of Man: A Roads  • B Roads Class III Roads (UK) International: Drives on the left / right	Trunk Roads Primary Routes Primary Destinations Classification Numbering Highway Design National Cycle Network Speed Limits	Junctions Bridges, Tunnels and Crossings Hill and Mountain Passes Service Areas Traffic signs Pre-Worboys signs Traffic Signals Street Lighting Other road features	Historical Roads Original Road Numbering Scheme Defunct Roads Old RoI Numbering System (T & L) Historical Information (including network changes per decade)