Traffic Flow Data with DLR
The user wants to obtain traffic flow data with a Dynamic Location Reference (DLR), around Alexanderplatz, Berlin.
Request
The query parameter bbox defines the latitudes and longitudes of the top left and bottom right corners of the bounding box. The optional query parameter responseattributes requests that the response include additional information on the shape of the roadway corresponding to the flow items
https://traffic.ls.hereapi.com/traffic/6.2/flow.xml
?apiKey={YOUR_API_KEY}
&bbox=52.5233,13.4035;52.5181,13.4159
&locationreferences=shp Note: Typically, DLRs appear in arbitrary places, depending on traffic conditions. Sometime responses to requests do not include any DLRs.
Note: This example uses a HERE API Key to authenticate your request. For the available authentication options, see the Identity & Access Management Developer Guide.
Response
The response to the request contains:
-
<SHP>element for the shape which includes theFCattribute for the functional class information
<?xml version="1.0" encoding="UTF-8"?>
<TRAFFICML_REALTIME CREATED_TIMESTAMP="2017-06-02T18:08:33Z" MAP_VERSION="" UNITS="metric" VERSION="3.2" xmlns="http://traffic.nokia.com/trafficml-flow-3.2">
<RWS EBU_COUNTRY_CODE="D" EXTENDED_COUNTRY_CODE="E0" MAP_VERSION="201702" TABLE_ID="1" TY="SHP" UNITS="metric">
<RW PBT="2017-06-02T18:04:27Z" mid="c60928a9-61d2-45b7-bc41-8e0c9704a7cc~779602169N">
<FIS>
<FI>
<SHP FC="4" FW="SD" LE="0.06078" LID="779602169T">52.51483,13.39008 52.51477,13.38919</SHP>
<CF CN="0.77" FF="24.0" JF="8.0833" SP="9.23" SU="9.23" TY="TR"/>
</FI>
</FIS>
</RW>
<RW PBT="2017-06-02T18:08:34Z" mid="d2269eae-5fa5-447d-97c8-d3139db0ef92~923839888P">
<FIS>
<FI>
<SHP FC="4" FW="SD" LE="0.10319" LID="923839888F">52.4788,13.43603 52.47898,13.43752</SHP>
<CF CN="0.86" FF="29.0" JF="8.30276" SP="9.98" SU="9.98" TY="TR"/>
</FI>
</FIS>
</RW>
<RW PBT="2017-06-02T18:08:26Z" mid="4a85b6e8-21c4-463f-ae66-89b99b620e9d~53473556P">
<FIS>
<FI>
<SHP FC="5" FW="SD" LE="0.17662" LID="53473556F">52.49518,13.38403 52.49673,13.38459</SHP>
<CF CN="0.75" FF="39.0" JF="6.90229" SP="17.74" SU="17.74" TY="TR"/>
</FI>
</FIS>
</RW>
</RWS>
</TRAFFICML_REALTIME>