Houston TranStar API

Houston TranStar provides access to the some of data it collects using JSON data feeds accessible via HTTPS. Samples and descriptions of the data feeds are provided below. For questions, or to inquire about gaining access to the live data feeds, please contact Houston TranStar

 Speed and Travel Time Data Feed
The speed and travel time data is collected by the Houston TranStar Travel Time Monitoring System. This system generates travel times and speeds along specific roadway segments.
 Incident Data Feed
Operators at Houston TranStar continuously monitor incidents on Houston area roadways using the many resources that TranStar offers. The live status of each monitored incident is logged and updated once per minute for the data feed.
 Lane Closure Data Feed
The Texas Department of Transportation and Harris County Toll Road Authority report scheduled lane closures on their facilities daily. The live status of each lane closure is logged and updated once per minute for the data feed.
 Roadway Flood Warning Data Feed
TranStar tracks areas where the risk of roadway flooding is high. The location of each of these areas are shown in this data feed