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">
    <trip id="ego" depart="0.00" from="A0A1" to="D2D3">
        <stop busStop="busStop_A1B1" duration="60.00">
            <param key="custom1" value="42"/>
        </stop>
        <stop busStop="busStop_B1C1" duration="60.00"/>
        <stop busStop="busStop_C1D1" duration="60.00"/>
    </trip>
</routes>