Collins Essential Road Atlas Britain and Northern Ireland 2027 (A4 Spiral): Clear, easy-to-read mapping (Collins Road Atlas)Explore Britain with easy to read mapping from Collins. This A4, spiral bound road atlas provides clear and detailed road mapping for England, Wales and Southern Scotland at a scale of 3. 2 miles to 1 inch (1: 200,000). For Northern Scotland the mapping is at a scale of 4. 2 miles to 1 inch (1: 266,000), with land height shown by different layers of colouring. Main features: Route planning section including maps at a scale of 22 miles to 1 inch,