<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/routes_file.xsd">
   <person id="p0" depart="0" departPos="-1">
       <walk edges="NC CS" />
   </person>
   <person id="p1" depart="0" departPos="1">
       <walk edges="CS NC" />
   </person>
</routes>
