input_routes.rou.xml

<?xml version="1.0" encoding="UTF-8"?>
<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/routes_file.xsd">
    <vType id="train" vClass="rail"/>

    <trip id="blocker1" depart="0" departPos="stop" to="f" type="train">
        <stop busStop="stop_d" duration="180"/>
    </trip>
    <trip id="blocker2" depart="0" departPos="stop" to="f" type="train">
        <stop busStop="stop_d2" duration="180"/>
    </trip>
    <trip id="ego" depart="0" from="a" to="f" type="train">
        <stop busStop="stop_d" duration="180"/>
    </trip>
</routes>