Before you can monitor travel time data in the Travel Times Engine, you must add nodes to your traffic network. Nodes are roadside detectors and segment endpoints that gather data
for the Travel Times Engine. Nodes can serve several different functions in the
calculation of travel times, such as being the source or destination used in these
calculations.
What you should know
Creating passive nodes using data providers other than Google Maps and Azure Maps might
require configuration steps that are not documented in this guide.
Procedure
-
From the Travel Times Engine web page, hover over the
Admin menu, and select Nodes.
The Nodes page is displayed.
-
Hover over the Nodes menu and click Add
node ().
-
Select your device Model or node type.
-
Configure your node properties:
- Short Name
- Enter a name for the node.
Best Practice: Include the geographic
location of the node. For instance, the street name, direction, and
intersecting street.
- Description
- Enter a description for the node. This can match or provide more details related
to the information entered in the Short Name
- Active
- Clear the check box to deactivate the node. It is activated by default.
- Owning Travel time organization
- Select the Travel time organization that owns the node.
- Traffic network
- Select the traffic network where your node is found.
- Time zone
- Select the time zone where your node is found.
- Display Order
- Set a number to determine where in the Nodes list the
node is displayed.
- Detector ID
- Set the ID of the detector. The detector ID in the detector must match the
detector ID of the node. This informs the system which detector a detection is
coming from.
NOTE: For passive nodes, this value can be random.
- Additional copies
- Create copies of the node with the same configuration.
- Sends timestamps
- If enabled, the node sends timestamps. If disabled, the system ignores GPS
data and locks the location of the node.
- Sends location
- If enabled, the node sends GPS location data. If disabled, the Travel Times Engine uses the system's
timestamps.
- Sends location
- If enabled, the node sends timestamps. If disabled, the system ignores GPS
data and locks the location of the node.
- Expected send frequency
- If the system does not receive data from the node for the time period set here,
the system considers the data to be stale, and the node to be disconnected.
NOTE: A
value of zero means that the system never considers the node as failed due to lack
of data.
- Voltage warning level
- If the node is battery powered and its battery level goes below the value
set here, then the system considers the device's battery to be low.
-
Click OK.
-
(Optional) To be able to configure the type of vehicle that the node monitors, hover
over the General menu, click Change general
settings (), and
set the Classification type for the node.
-
From the Node details page, hover over the
Location menu and click Change location
().
-
Assign a location for the node by dragging the () icon on
the map, or entering the node's Latitude and
Longitude coordinates.
Tip: If you are using passive nodes and a third-party API, avoid placing your
node at an overpass or an intersection.
-
(Optional) In the Corridor field, enter a corridor name.
-
Click OK.
After you finish
- Create at least one additional node.
- After you have two or more nodes in your traffic network, create traffic links.