Take motorway M 4 and exit at junction 16.
At roundabout pick up A 3102 with directions to Royal Wootton Bassett.
Follow this road for exactly two miles.
Go straight over first roundabout, and at second roundabout pick up minor road B4553 signposted to Hook and Purton.
Follow this road for exactly two and a half miles going through the villages of Hook and Greatfield, and then arrive at Purton.
Please observe speed-limit along these roads.
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