Map showing the route of the <a href="https://en.wikipedia.org/wiki/A38_road" class="extiw" title="w:A38 road">A38</a> in England. The green sections are parts designated as a primary route, the red sections are parts that are not primary. The blue section is the <a href="https://en.wikipedia.org/wiki/A38(M)_motorway" class="extiw" title="w:A38(M) motorway">A38(M) motorway</a>. Other motorways and primary routes are shown in a paler colours and the background map shows English ceremonial counties.
<a href="//commons.wikimedia.org/wiki/User:Nilfanion" title="User:Nilfanion">Nilfanion</a>, using Ordnance Survey data
CC BY-SA 3.0
<p><a href="https://en.wikipedia.org/wiki/Ordnance_Survey" class="extiw" title="w:Ordnance Survey">Ordnance Survey</a> <a rel="nofollow" class="external text" href="https://www.ordnancesurvey.co.uk/opendatadownload/products.html">OpenData</a>:
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<ul><li>County boundaries (from Boundary-Line product)</li>
<li>Coastline data for Great Britain (from Boundary-Line product)</li>
<li>Road data (from Meridian 2 product)</li></ul><p><a href="https://en.wikipedia.org/wiki/National_Geospatial-Intelligence_Agency" class="extiw" title="w:National Geospatial-Intelligence Agency">National Geospatial-Intelligence Agency</a>
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<ul><li>Coastline data outside of Great Britain</li></ul>