Search for active trips for a specific route.
<response>
<version>2</version>
<code>200</code>
<text>OK</text>
<currentTime>1270614730908</currentTime>
<data class="listWithReferences">
<references>...</references>
<list>
<tripDetails>...</tripDetails>
<tripDetails>...</tripDetails>
...
</list>
<limitExceeded>false</limitExceeded>
</data>
</response>
The response is a list of <tripDetails/> element that captures extended details about each active trip. The set of active trips includes any trip that serves that specified route that is currently active.