Preserved <a href="https://en.wikipedia.org/wiki/London_Transport" class="extiw" title="w:London Transport">London Transport</a> bus RF486 (reg. MXX 463), pictured in London heading north up <a href="https://en.wikipedia.org/wiki/Whitehall" class="extiw" title="en:Whitehall">Parliament Street (Whitehall)</a> in Westminster, about to pass the junction with King Charles Street (the <a href="https://en.wikipedia.org/wiki/Government_Offices_Great_George_Street" class="extiw" title="en:Government Offices Great George Street">Treasury building</a> is the background). It's running along the route of <a href="https://en.wikipedia.org/wiki/London_Buses_route_159" class="extiw" title="w:London Buses route 159">London Buses route 159</a> as a private vehicle (ie not in passenger service), one of several doing the same, to mark the <a href="//commons.wikimedia.org/wiki/London_Routemaster_last_day" title="London Routemaster last day">last day of non-heritage Routemaster operation in London</a> (hence the special destination blind that reads "Farewell to the Routemaster 9 December 2005").
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/35765599@N00">Jon's pics</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nakedcharlton/72041050/">The last day of the RM</a>