1<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/routes_file.xsd"> 2 <route id="r2" edges="m n o"/> 3 <flow id="flow2" route="r2" begin="0" end="1000" period="exp(0.5)"/> 4 5</routes> 6 7