| Field Name |
Name |
Type |
Description |
Fixed Values |
| type |
Type |
|
Fixed Value: FeatureCollection. |
|
| features |
Features |
|
Array of Feature object. Refer to Feature object details. |
|
| feature |
Feature |
|
Each named freeway and freeway segment is represented as a single feature in GeoJSON. |
|
| feature.type |
Feature Type |
|
Fixed Value: Feature. |
|
| feature.geometry |
Feature Geometry |
|
The geometry of the feature. Refer to Geometry object details. |
|
| feature.properties |
Feature Properties |
|
The properties of the freeway or freeway segment. Refer to Property object details. |
|
| geometry |
Geometry |
|
An object containing the geo coordinate representation of the freeway segment as specified by the GeoJSON. |
|
| geometry.type |
Geometry Type |
|
Fixed value: LineString. |
|
| geometry.coordinates |
Geometry Coordinates |
|
Coordinates are in x, y order (longitude, and latitude for geographic coordinates) precisely in that order and using double values. Altitude or elevation MAY be included as an optional third parameter while creating this object.
Example: {"type": "LineString","coordinates": [[100.0, 0.0],[101.0, 1.0]]} |
|
| properties |
Properties |
|
An object containing the various properties of the freeway or freeway segment feature. |
|
| properties.id |
Properties ID |
|
Is an unique identifier for the freeway or freeway segment. |
|
| properties.freewayName |
Freeway Name |
|
This is the Freeway Name derived from name attribute of segment (detector) record. |
|
| properties.segmentName |
Segment Name |
|
This is the segement name derived from name attribute of segment (detector) record. |
|
| properties.direction |
Direction |
|
This is the direction derived from name attribute of segment (detector) record. |
Inbound, Outbound, Northbound, Eastbound, Southbound, Westbound |
| properties.publishedtime |
Published Time |
|
The time the measures were published by STREAMS. |
|
| properties.enabled |
Enabled |
|
Indicates whether the travel time path is enabled. |
|
| properties.parentpathid |
ParentPathID |
|
The id of the parent travel time path in the form localid : classid : hostname. Supress if null. |
|
| properties.pathvalid |
Path Valid |
|
Indicates whether the travel time path is valid. Supress if null. |
|
| properties.actualtraveltime |
Actual Travel Time |
|
The current travel time for the path(s). |
|
| properties.nominaltraveltime |
Nominal Travel Time |
|
The nominal travel time for the path(s). |
|
| properties.averagespeed |
Average Speed |
|
The average speed for the path, truncated to a number of km/h. |
|
| properties.condition |
Traffic Condition |
|
The traffic conditions on this segment of the freeway. |
Blank, Light, Medium, Heavy |
| properties.hasoverride |
Has Override |
|
Indicates whether the path currently has an operator override. |
|
| properties.roundedtraveltime |
Rounded Travel Time |
|
The current rounded travel time for the path(s). |
|
| properties.varianceroundednominal |
Variance Rounded Nominal |
|
The variance of the rounded travel time from nominal travel time. |
|
| properties.variancenominal |
Variance Nominal |
|
The variance of the actual travel time from the nominal travel time. |
|
| properties.datasubstitution |
Data Substitution |
|
The percentage level of interpolation that has been applied to missing movement data. The percentage is measured as a percentage of the length of the path that has been interpolated against the total distance. |
|
| properties.includesrampwaittime |
Includes Ramp Wait Time |
|
Indicates whether the ramp wait times are included in the travel time measures in the case where the travel time path is from a sign associated with an on-ramp. |
|
| properties.congestionindex |
Congestion Index |
|
The congestion index for the travel time path. This applies only to travel time paths from remote systems, and is calculated by the remote system. |
|
| properties.delay |
Delay |
|
The delay for the travel time path. This applies only to travel time paths from remote systems, and is calculated by the remote system. |
|
| properties.excessdelay |
Excess Delay |
|
The excess delay for the travel time path. This applies only to travel time paths from remote systems, and is calculated by the remote system. |
|
| properties.orderonparent |
Order On Parent |
|
The order on the parent path, if it is a sub-path. |
|
| properties.source |
Source |
|
An object that describes information source. Refer to Source object details. |
|
