<additional xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/additional_file.xsd">

    <!-- non valid frequency (missing) -->
    <inductionLoop id="E1_01" lane="EdgeCenter1_1" pos="15" file="fileA.txt" vTypes="bus taxi private" friendlyPos="0"/>

    <!-- non valid frequency (dummy) -->
    <inductionLoop id="E1_02" lane="EdgeCenter1_1" pos="18" period="dummyFrequency" file="fileA.txt" vTypes="bus taxi private" friendlyPos="0"/>

    <!-- non valid frequency (negative) -->
    <inductionLoop id="E1_03" lane="EdgeCenter1_1" pos="21" period="-100.00" file="fileA.txt" vTypes="bus taxi private" friendlyPos="0"/>

    <!-- valid frequency -->
    <inductionLoop id="E1_04" lane="EdgeCenter1_1" pos="24" period="120.00" file="fileA.txt" vTypes="bus taxi private" friendlyPos="0"/>

</additional>
