<routes>
<vType id="train" vClass="rail" length="45" maxSpeed="8">
<param key="carriageLength" value="10"/>
</vType>
<trip id="t0" from="a" to="e" depart="0" type="train" departSpeed="max"/>
<trip id="t1" from="a" to="e" depart="10" type="train" departSpeed="max"/>
</routes>