Not on a country road to that level because you can always argue that something could pop out onto the road unexpectedly.
Ideally an empty motorway at night seems like a place where, if caught, the Police shouldn't be a dick to you for going too fast.
English
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Let's imagine that there are no hedgerows alongside the road, and the road itself is slightly elevated (30cm) above the surrounding fields. Visibility is perfect.
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sure, then go for it