Content that references this location
Crowdsourced data can be timelier than agency-generated data enabling TMCs to respond to minor incidents and developing congestion 3 to 16 minutes sooner.
Comparison of Waze versus department of transportation event reporting
Type of Event
Average Time a Waze Event was Reported before DOT Reporting
Percentage of All Waze Events that Were Included…
Content type
Date Posted
02/25/2020
Taxonomy (ARC-IT)
Maintenance and Construction Activity Coordination (MC08),
Regional Traffic Management (TM07),
Integrated Decision Support and Demand Management (TM09),
Management of Electronic Traffic Regulations (METR) (VS17),
Weather Information Processing and Distribution (WX02)
Geolocation links
Portable field mapping systems reduce delivery time for post-landslide maintenance and have potential annual net savings in labor costs of $208,000.
Methodology:The Caltrans GeoResearch Group (GRG) initiated a research project to test innovative mapping technologies. GRG acquired two field mapping systems and evaluated them during deployments in…
Content type
Date Posted
11/06/2015
Taxonomy (ARC-IT)
Traffic Signal Control (TM03),
Connected Vehicle Traffic Signal System (TM04),
Roadway Maintenance and Construction (MC05)
Geolocation links
A majority (76 percent) of drivers with Adaptive Cruise Control said that if they purchased their same vehicle again, they would get the same technology again.
METHODOLOGYThe AAA Safety Foundation conducted a survey with 1659 respondents, including 370 who had Adaptive Cruise Control (ACC). A majority of those who currently have ACC said if they purchased…
Content type
Date Posted
10/20/2011
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
Users of Adaptive Cruise Control report they tend to change lanes less frequently when using the system, but many drivers are unaware of the limitations of technology.
RESULTSSurvey results from ACC users in Southern California found that more than half of the respondents agreed that when they use ACC they tend to change lanes less frequently. However, many…
Content type
Date Posted
10/20/2011
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
A solicitation to acquire crowdsourced data services should ensure respondents can identify the boundaries of the system-of-interest and understand the functions required by stakeholders before work begins.
When procuring crowdsourced data or services, agencies will need to exert considerable effort to ensure proper communication of the agency’s needs to bidders. When agencies develop procurement…
Content type
Date Posted
02/25/2020
Taxonomy (ARC-IT)
Maintenance and Construction Activity Coordination (MC08),
Regional Traffic Management (TM07),
Integrated Decision Support and Demand Management (TM09),
Management of Electronic Traffic Regulations (METR) (VS17),
Weather Information Processing and Distribution (WX02)
Geolocation links
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
1200 New Jersey Avenue, SE
Washington, DC 20590
