routes.rou.xml

<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/routes_file.xsd">
    <vType id="foo" sigma="0"/>
    <route id="r0" edges="a b c d"/>

    <vehicle id="veh0" route="r0" depart="1" color="red" type="foo"/>
    <flow id="flow0" route="r0" begin="4" end="40" number="10" color="green"/>


</routes>