VDOT

GeoRSS feed - Travel Time Segments

The GeoRSS feed can be accessed via the following URL: http://www.vdotdatasharing.org/GeoRSS/TTSData The feed contains the following fields:

Field Description Example
title The Id of the segment NOVA-TTS-296
description Contains the information for the current travel time segment Segment Name: CMS 0066 E 06393 GA to Exit 75A, Segment Travel Time: 817, Last Time Updated: Dec 11, 2012 11:00:00 AM
link The Xml Link to for the segment www.vdotdatasharing.com/xmldb/TravelTimeData/NOVA-TTS-296
georss:point The GeoRSS point for the segment (Always defaults to 0) 0 0

XML Database Record

The XML database record can be accessed via the following URL: http://www.vdotdatasharing.org/xmldb/TravelTimeData/sender_id where sender_id is the id for the specific travel segment. The following is an example of the XML record:

<orci:segmentList xmlns:tmdd="http://www.tmdd.org/3/messages" xmlns:orci="http://www.openroadsconsulting.org/travelTime"> <orci:segment> <orci:inventory> <organization-information> <organization-id>VDOT</organization-id> </organization-information> <link-list> <link> <network-id>NOVA-TTS-296</network-id> <link-id>I-66</link-id> <link-length>111</link-length> <orci:link-data> <orci:order>1</orci:order> <orci:travel-direction>E</orci:travel-direction> <orci:start-mile-marker>63.8</orci:start-mile-marker> <orci:end-mile-marker>74.9</orci:end-mile-marker> </orci:link-data> </link> </link-list> </orci:inventory> <orci:data> <link-list> <link> <network-id>NOVA-TTS-296</network-id> <link-name>CMS 0066 E 06393 GA to Exit 75A</link-name> <travel-time>817</travel-time> <last-update-time> <date>20121211</date> <time>111000</time> <offset>-0500</offset> </last-update-time> </link> </link-list> </orci:data> </orci:segment> </orci:segmentList>

The following data elements are represented in the XML message:

Line Field Description
6organization-idThe organization responsible for this segment
11link-idThe road name of the link that belongs to the segment
12link-lengthThe length of the link in tenths of miles
14orci:orderThe order of the link that belongs to the segment
16orci:start-mile-markerThe starting mile marker of the link
17orci:end-mile-markerThe ending mile marker of the link
25network-idThe network id of the Travel Time Segment
26link-nameThe name of the Travel Time Segment
27travel-timeThe travel time of the segment in seconds
29dateThe date for the travel time update in yyymmdd format
30timeThe time for the travel time update in hhmmss format
31offsetThe time zone offset time in hhmm format

WMS-C Layer

The WMS-C layer can be accessed using the following parameters:

Service http://www.vdotdatasharing.org/geowebcache/service/wms
Layer traveltimesegment
Format image/png
Tile Size 256x256
SRS EPSG:900913
EPSG:4326

WFS Layer

The WFS layer can be accessed here. The feed contains the following fields:

Field Description Example
orci:segmentid This is the id of the segment NOVA-TTS-296
orci:v7_segmentid This is the historical id of the segment NOVA-TTS-296
orci:lasttimeupdated Last time the segment has been updated 2012-12-11T16:15:00Z
orci:segmentname Name of the segment CMS 0066 E 06393 GA to Exit 75A
orci:traveltime Travel Time in seconds 733
orci:the_geom Geometry of the segment <gml:Point srsDimension="2" srsName="urn:x-ogc:def:crs:EPSG:4326"><gml:pos>0 0</gml:pos><gml:Point></td>