input_routes.rou.xml

<routes>
    <vType id="fast" maxSpeed="50"/>
    <route id="left" edges="beg beg2left left left2end end rend"/>
    <flow id="left" route="left" type="fast" begin="0" end="100" number="100"/>
    <vType id="slow" maxSpeed="5"/>
    <flow id="straight" type="slow" begin="0" end="100" number="100">
        <route edges="beg middle end rend"/>
    </flow>
</routes>