In Russia same thing works in real-time (interpolating anything based on schedule will not be the best idea for busses &#x2F; trams I believe)
Mobile app from Yandex (works in Moscow &amp; Saint-Petersburg): <a href="https:&#x2F;&#x2F;itunes.apple.com&#x2F;ru&#x2F;app&#x2F;andeks.transport&#x2F;id826358136?mt=8" rel="nofollow">https:&#x2F;&#x2F;itunes.apple.com&#x2F;ru&#x2F;app&#x2F;andeks.transport&#x2F;id826358136...</a>
Web version in Saint-Petersburg: <a href="http:&#x2F;&#x2F;transport.orgp.spb.ru&#x2F;Portal&#x2F;transport&#x2F;main;jsessionid=CC774084502FAC0F34762795FA625832" rel="nofollow">http:&#x2F;&#x2F;transport.orgp.spb.ru&#x2F;Portal&#x2F;transport&#x2F;main;jsessioni...</a>