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#highwayengineering

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Khurram Wadee ✅<p>This is good <a href="https://mastodon.org.uk/tags/HighwayEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HighwayEngineering</span></a> – cyclists have their own dedicated <a href="https://mastodon.org.uk/tags/TrafficLights" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TrafficLights</span></a>, so that they can cross five lanes of traffic in safety.</p><p><a href="https://mastodon.org.uk/tags/MyWork" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MyWork</span></a> <a href="https://mastodon.org.uk/tags/MyPhoto" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MyPhoto</span></a> <a href="https://mastodon.org.uk/tags/CCBYSA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CCBYSA</span></a> <a href="https://mastodon.org.uk/tags/Android" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Android</span></a> <a href="https://mastodon.org.uk/tags/Spring" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Spring</span></a> <a href="https://mastodon.org.uk/tags/UK" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UK</span></a> <a href="https://mastodon.org.uk/tags/Biking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Biking</span></a> <a href="https://mastodon.org.uk/tags/Bicycle" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Bicycle</span></a> <a href="https://mastodon.org.uk/tags/Infrastructure" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Infrastructure</span></a> <a href="https://mastodon.org.uk/tags/Engineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Engineering</span></a> <a href="https://mastodon.org.uk/tags/UrbanEnvironment" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UrbanEnvironment</span></a></p>
Khurram Wadee ✅<p>This is why <a href="https://mastodon.org.uk/tags/Engineers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Engineers</span></a> use <a href="https://mastodon.org.uk/tags/TransitionCurves" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TransitionCurves</span></a> in the form of <a href="https://mastodon.org.uk/tags/CornuSpirals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CornuSpirals</span></a> or <a href="https://mastodon.org.uk/tags/Clothoids" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Clothoids</span></a> to connect from the straight segment onto a circular arc. It has the property that it starts with zero <a href="https://mastodon.org.uk/tags/curvature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>curvature</span></a> at the beginning and then the curvature increases linearly with distance travelled along the curve. At the appropriate curvature, it is connected to a circular arc with the same curvature.</p><p><a href="https://mastodon.org.uk/tags/MyWork" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MyWork</span></a> <a href="https://mastodon.org.uk/tags/WxMaxima" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WxMaxima</span></a> <a href="https://mastodon.org.uk/tags/CivilEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CivilEngineering</span></a> <a href="https://mastodon.org.uk/tags/HighwayEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HighwayEngineering</span></a> <a href="https://mastodon.org.uk/tags/CCBYSA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CCBYSA</span></a></p>
Khurram Wadee ✅<p>A high-speed road or railway track that is poorly designed. The vehicle moves at constant speed from the straight segment of road or track directly onto a CircularArc and thereby encounters an instantaneous application of centripetal acceleration. This is neither good for the driver and passengers who will feel a sudden force outwards, nor for the vehicle which my skid and impose large stress changes in the axles and bearings.</p><p><a href="https://mastodon.org.uk/tags/MyWork" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MyWork</span></a> <a href="https://mastodon.org.uk/tags/WxMaxima" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WxMaxima</span></a> <a href="https://mastodon.org.uk/tags/CivilEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CivilEngineering</span></a> <a href="https://mastodon.org.uk/tags/HighwayEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HighwayEngineering</span></a> <a href="https://mastodon.org.uk/tags/CCBYSA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CCBYSA</span></a></p>
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