Content that references this location
Keep Detector Data Quality at 90 Percent or Above at Critical Locations for Successful Operation of the Congestion Responsive Freeway Ramp Metering Strategy.
Maintain loop detection health close to 100 percent and data quality above 90 percent in order to operate CRRM. The operation of Local Responsive Ramp Metering (LRRM) (during peak hours) should be…
Content type
Date Posted
04/26/2022
Geolocation links
Beware of the likely trade-off between a decrease in the frequency of right-angle crashes and an increase in the frequency of rear-end crashes when considering installation of red-light-cameras.
Red-light running is a significant safety problem in the United States, resulting in approximately 95,000 crashes and 1,000 fatalities annually. One ITS treatment option is to install red-light…
Content type
Date Posted
05/25/2010
Implement infrastructure-based collision avoidance technology to mitigate risks at crash prone intersections.
This research project that was conducted to define and evaluate infrastructure-only Intersection Collision Avoidance System (ICAS) concepts, produced a number of important findings and lessons…
Content type
Date Posted
02/10/2010
Taxonomy (ARC-IT)
Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Recognize the challenges of using public-private partnerships in deployed coordinated transit systems.
The institutional scope of the CTS project is large and complex, encompassing public and private stakeholders and government entities from one city and two counties in two States. The project…
Content type
Date Posted
07/14/2008
Taxonomy (ARC-IT)
Transit Vehicle Tracking (PT01)
Geolocation links
Be aware of technology and training issues when pioneering new transit technologies.
The CTS project was the first deployment of transit ITS technologies in the Lake Tahoe region and involved a number of different technologies including, Computer-Aided Dispatch (CAD), Mobile Data…
Content type
Date Posted
07/14/2008
Geolocation links
Consider the implications of ITS transit technologies on operational efficiencies.
The Consolidated Transit System blended fixed route, flex-route, and demand-response operations into one system in order to provide a fully integrated system to maximize cost and operating efficiency…
Content type
Date Posted
07/14/2008
Taxonomy (ARC-IT)
Transit Vehicle Tracking (PT01),
Multi-modal Coordination (PT14),
Transit Connection Protection (PT17)
Geolocation links
Understand user and usability issues surrounding the development and deployment of kiosks and Interactive Voice Response (IVR) systems.
As part of the CTS, kiosks were placed at key locations in the South Shore region of Lake Tahoe to support trip scheduling and dispatch services, provide transit and traveler information (e.g.,…
Content type
Date Posted
07/14/2008
Taxonomy (ARC-IT)
Transit Traveler Information (PT08),
Transit Pedestrian Indication (PT11),
Transit Vehicle at Station/Stop Warnings (PT12),
Dynamic Transit Operations (PT03)
Geolocation links
Be aware of operational issues regarding the development of coordinated transit systems
The CTS Board maintained a close relationship with Area Transit Management (ATM), the operator of transit services for CTS. Overall, this relationship was critical to the success of the project. In…
Content type
Date Posted
07/14/2008
Taxonomy (ARC-IT)
Transit Traveler Information (PT08),
Transit Pedestrian Indication (PT11),
Transit Vehicle at Station/Stop Warnings (PT12),
Multi-modal Coordination (PT14),
Transit Connection Protection (PT17),
Transit Vehicle Tracking (PT01)
Geolocation links
Be aware of funding issues when deploying ITS transit systems.
As part of the evaluation of the Lake Tahoe Coordinated Transit System, interviews were conducted among the stakeholders. A key topic discussed in all the interviews was funding, including both…
Content type
Date Posted
07/14/2008
Geolocation links
Consider requirements definition and system design Issues for Archived Data Management Systems.
ADMS offer numerous potential benefits, including the ability to better evaluate system performance, plan for operations, and support future investment decisions. Washington State TRAC, for example,…
Content type
Date Posted
06/27/2007
Integrate with the state and National Intelligent Transportation System (ITS) Architecture and develop systems using open standards and established guidelines.
Communications and interoperability between agencies becomes much easier if all the agencies in one state have the same system or equipment. This permits information to flow between those agencies in…
Content type
Date Posted
02/27/2007
Geolocation links
Use transit intelligent transportation systems (ITS) technologies in rural areas to save agency staff time and create a more user-friendly system.
A key requirement for many rural transit agencies is reducing the time it takes to schedule trips and streamline the process of planning trips. Manual scheduling and planning of trips requires a…
Content type
Date Posted
02/27/2007
Taxonomy (ARC-IT)
Transit Traveler Information (PT08),
Transit Pedestrian Indication (PT11),
Transit Vehicle at Station/Stop Warnings (PT12),
Transit Vehicle Tracking (PT01),
Transit Fleet Management (PT06),
Transit Fixed-Route Operations (PT02),
Transit Passenger Counting (PT07)
Geolocation links
Develop partnerships with state and local agencies to help successfully implement intelligent transportation systems (ITS) in rural transit.
Because of limited funding, rural transit agencies are not using new technology to the extent that their larger urban counterparts are; in fact, very few rural transit agencies have plans to…
Content type
Date Posted
02/27/2007
Geolocation links
Consider the implications of choosing a Competetive Access Provider (CAP) for telecommunications services.
In the deregulated telecommunications environment, agencies have a much wider and more varied choice for telecommunications services. There are many firms, each offering different services, prices…
Content type
Date Posted
02/26/2007
Consider procurement and contracting issues for leased versus owned ITS telecommunications systems.
Procurement of either owned or leased telecommunications services is a critical part of an ITS implementation, as the telecommunications system enables the ITS infrastructure to operate in an…
Content type
Date Posted
02/26/2007
Develop a regional ITS Architecture and a telecommunications ITS architecture as part of a needs assessment for developing the most appropriate telecommunications solution.
An effective needs assessment is important to selecting an appropriate telecommunications solution for an ITS deployment. In addition to a requirements analysis, a needs assessment also includes the…
Content type
Date Posted
02/26/2007
Geolocation links
Integrate weather information into Transportation Management Center (TMC) operations to enhance the ability of operators to manage traffic in a more responsive and effective way during weather events.
Weather events have both major and minor impacts on transportation management operations. During seasonal weather events, these impacts may include reduced traffic flow or increased traffic incidents…
Content type
Date Posted
02/19/2007
Taxonomy (ARC-IT)
Wide-Area Alert (PS10),
Disaster Traveler Information (PS14),
Evacuation and Reentry Management (PS13),
Vehicle Emergency Response (PS05),
Incident Scene Pre-Arrival Staging Guidance for Emergency Responders (PS06),
Disaster Response and Recovery (PS12),
Traffic Information Dissemination (TM06),
Integrated Decision Support and Demand Management (TM09),
Broadcast Traveler Information (TI01),
Roadway Automated Treatment (MC03),
Weather Information Processing and Distribution (WX02),
Spot Weather Impact Warning (WX03),
Roadway Closure Management (TM19),
Maintenance and Construction Vehicle and Equipment Tracking (MC01),
Roadway Service Patrols (PS08),
Infrastructure-Based Traffic Surveillance (TM01),
Regional Traffic Management (TM07),
Personalized Traveler Information (TI02),
Personnel Device Maintenance (SU13),
Infrastructure-Provided Trip Planning and Route Guidance (TI04)
Invest in research and development for emergency integration.
In addition to highlighting current best practices for emergency integration and ways to improve current levels of integration, this study recommends investment in the development of new methods and…
Content type
Date Posted
02/19/2007
Taxonomy (ARC-IT)
Wide-Area Alert (PS10),
Disaster Traveler Information (PS14),
Evacuation and Reentry Management (PS13),
Vehicle Emergency Response (PS05),
Incident Scene Pre-Arrival Staging Guidance for Emergency Responders (PS06),
Disaster Response and Recovery (PS12),
Traffic Information Dissemination (TM06),
Integrated Decision Support and Demand Management (TM09),
Broadcast Traveler Information (TI01),
Roadway Automated Treatment (MC03),
Weather Information Processing and Distribution (WX02),
Spot Weather Impact Warning (WX03),
Roadway Closure Management (TM19),
Maintenance and Construction Vehicle and Equipment Tracking (MC01),
Roadway Service Patrols (PS08),
Infrastructure-Based Traffic Surveillance (TM01),
Personalized Traveler Information (TI02),
Personnel Device Maintenance (SU13),
Infrastructure-Provided Trip Planning and Route Guidance (TI04)
Extend the application of emergency integration best practices to further improve emergency operations.
Transportation Management Centers are established around the country to integrate data, information, and systems in support of day-to-day traffic and emergency operations. Incomplete or inaccessible…
Content type
Date Posted
02/19/2007
Taxonomy (ARC-IT)
Wide-Area Alert (PS10),
Disaster Traveler Information (PS14),
Evacuation and Reentry Management (PS13),
Vehicle Emergency Response (PS05),
Incident Scene Pre-Arrival Staging Guidance for Emergency Responders (PS06),
Disaster Response and Recovery (PS12),
Traffic Information Dissemination (TM06),
Integrated Decision Support and Demand Management (TM09),
Broadcast Traveler Information (TI01),
Roadway Automated Treatment (MC03),
Weather Information Processing and Distribution (WX02),
Spot Weather Impact Warning (WX03),
Roadway Closure Management (TM19),
Maintenance and Construction Vehicle and Equipment Tracking (MC01),
Roadway Service Patrols (PS08),
Infrastructure-Based Traffic Surveillance (TM01),
Regional Traffic Management (TM07),
Personalized Traveler Information (TI02),
Personnel Device Maintenance (SU13),
Infrastructure-Provided Trip Planning and Route Guidance (TI04)
Adopt adequate and thorough procurement processes which cover purchases of both standardized commodity type equipment and highly complex integrated ITS components.
ITS projects should ensure that the procurement processes available for both standardized "commodity" type equipment and highly complex integrated ITS components are adequate and thorough. Complex…
Content type
Date Posted
04/13/2006
Taxonomy (ARC-IT)
Traffic Information Dissemination (TM06),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Realize that stakeholder policies, priorities, and personnel training are critical to ensure consistency and schedule adherence in deploying integrated systems.
Stakeholder policies, priorities, and personnel training are critical to the success of the project to reduce delays and ensure consistency in each agency's deployment schedule. Reaching consensus on…
Content type
Date Posted
04/13/2006
Geolocation links
Include sufficient safeguards to ensure the integrity of the fiber-optic communications infrastructure for ITS.
ITS systems should have safeguards in place to monitor and protect the fiber-optic cabling and components after installation and to notify system personnel of damage. By including adequate safeguards…
Content type
Date Posted
04/13/2006
Geolocation links
Use the National ITS Architecture to streamline the development of an integrated framework for deploying effective and interoperable ITS.
Minimize the risk and cost of ITS deployments by deploying ITS using the framework provided by the National ITS Architecture. The National ITS Architecture accommodates multiple designs using diverse…
Content type
Date Posted
09/16/2005
Geolocation links
Simulation of a Coordinated Adaptive Ramp Metering Strategy Showed a Two Percent Increase in Average Weighted Speeds for Combined Ramp and Mainline Traffic.
Methodology
Several sites experiencing freeway merge / diverge deficiencies and speed-change areas resulting in capacity reduction were selected for analysis of these control strategies, including:
I…
Content type
Date Posted
04/07/2022
Geolocation links
Simulation Models Suggest that Cooperative Lane Change Maneuvers Among Connected Autonomous Vehicles Can Decrease Vehicle Stops by 89 Percent, Improve Travel Time by 22 Percent, and Reduce Fuel Consumption by Seven Percent.
METHODOLOGY
The proposed approach in this study requires that the merging vehicle negotiates the creation of a safety gap in the destination lane. Until the lane change maneuver is completed, the…
Content type
Date Posted
06/21/2021
Taxonomy (ARC-IT)
V2V Basic Safety (VS02)
Geolocation links
Cooperative Eco-Driving Was Projected to Reduce Energy Consumption by Seven Percent and Pollutant Emissions by up to 59 Percent in the City of Riverside, California.
METHODOLOGY
A microscopic traffic simulation evaluation was conducted using PTV VISSIM with realistic traffic flow and signal timing data collected during 7:00-8:00 AM on Thursday, June2, 2016 for…
Content type
Date Posted
04/30/2021
Taxonomy (ARC-IT)
Emissions Monitoring (ST01),
Eco-Traffic Signal Timing (ST02),
Eco-Traffic Metering (ST03),
Eco-Approach and Departure at Signalized Intersections (ST08),
Connected Vehicle Traffic Signal System (TM04),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15)
Geolocation links
A California Survey of Older Adults Comfort With Ride-Hailing Found That Approximately Two-thirds of Respondents Valued Not Having to Ask for Rides or Drive at Night.
Methodology
Quota sampling was used to ensure a sample that closely represented the California population of adults 55 years of age and older in terms of basic socio-demographic characteristics. The…
Content type
Date Posted
04/27/2021
Taxonomy (ARC-IT)
Transit Stop Request (PT15),
Route ID for the Visually Impaired (PT16),
Dynamic Ridesharing and Shared Use Transportation (TI06)
Geolocation links
Transition from hard-cased electronic toll transponders to newer and cheaper transponder sticker technology can save agencies $10.00 to $14.00 per unit installed.
Content references source material no longer available at its original location.
FINDINGS
Although toll agencies were initially expected to incur additional costs to purchase 6C transponders and related equipment, retrofit ETC systems, and dispose of old equipment, these costs…
Content type
Date Posted
07/29/2019
Geolocation links
Hard-cased toll transponder tags typically cost $15.00 to $20.00 per unit; newer and cheaper transponder stickers designed using ISO Standards (6C protocol) cost $1.20 to $10.00 per unit.
Content references source material no longer available at its original location.
In California, regulatory changes in 2016 supported a transition from the Title 21 (T21) hard-cased electronic toll collection (ETC) protocol commonly used across the United States, to a newer and…
Content type
Made Public Date
07/29/2019
Geolocation links
A smart parking field test conducted for the California Department of Transportation and the Bay Area Rapid Transit estimated capital cost at $150 to $250 per space; O&M costs were estimated at $40 to $60 per space.
At the request of the California Department of Transportation (Caltrans) and Bay Area Rapid Transit (BART), the California Partners for Advanced Transit and Highways (PATH) researchers conducted a…
Content type
Made Public Date
05/28/2008
Taxonomy (ARC-IT)
Parking Space Management (PM01),
Smart Park and Ride System (PM02),
Regional Parking Management (PM04),
Parking Reservations (PM05),
Loading Zone Management (PM06),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
The cost of an automated truck rollover warning system can vary significantly, ranging from $50,000 to $500,000.
Content references source material no longer available at its original location.
As part of an evaluation of automated truck rollover warning systems, PennDOT researched curve speed warning systems in several other states. The evaluation data highlighted in this presentation…
Content type
Made Public Date
03/13/2008
Geolocation links
Commercially available, off-the-shelf technology that enhances the safety and security of hazmat transportation operations ranges in cost from $250 to $3,500 per vehicle.
The HAZMAT Safety & Security Field Operational Test was conducted to assess commercially available, off-the-shelf technology that could be readily deployed in the near term to enhance the safety…
Content type
Made Public Date
05/31/2006
Taxonomy (ARC-IT)
Freight Administration (CVO02),
Fleet and Freight Security (CVO15),
Core Authorization (SU02),
CV Driver Security Authentication (CVO14),
Carrier Operations and Fleet Management (CVO01),
Eco-Approach and Departure at Signalized Intersections (ST08),
HAZMAT Management (CVO12)
Geolocation links
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
1200 New Jersey Avenue, SE
Washington, DC 20590
1-800-853-1351
