A is a less-traveled side road, as in:
- Byway Open To All Traffic in the United Kingdom, a highway over which the public have a right-of-way for vehicular traffic
- Restricted Byway in the United Kingdom, a highway over which the public have a right-of-way for all traffic except motor vehicles.
- Byway (road) , a minor secondary or tertiary road in the UK
- National Scenic Byway , a road recognized by the United States Department of Transportation for its historical qualities
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