Possible Clues:

• A gentler twist disrupted mainly straight road
• Roman road from Kent to Shropshire via London
• Letting waters flow the old way
• Roman road from Richborough in Kent to Wroxeter in Shropshire
• Old Roman road
• Scottish pioneer, protecting heather and trees, managed ancient trackway
• Wide, winding, long, empty interstate highway
• Scottish engineer catches fish with palm? An ancient way
• Roman road (A5)
• Old way of making fence soundly - let it stand without engineers