Answer
What is the best gravel for a driveway?
A 10 to 20mm angular gravel on a stabilised base with proper edging.
In short
A 10 to 20mm angular gravel locks together and stays put far better than rounded pea shingle, especially on a stabilised, well-drained base with proper edging. The base and the edging are what stop a gravel driveway scattering and rutting. We build it to stay where it should.
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