Content that references this location
Consider the Trade-Off Between Cost and Service Reliability When Operating Shared Ride Modes in Low-Density and Off-Peak Service Environments.
This study presented the results of an independent evaluation of the Regional Transportation Authority (RTA) of Pima County Adaptive Mobility with Reliability and Efficiency (AMORE) Mobility on…
Content type
Date Posted
01/29/2024
Taxonomy (ARC-IT)
Shared Use Mobility and Dynamic Ridesharing (TI06)
Geolocation links
Consider Third-party Accessibility Testing to Enhance Digital Accessibility and Ensure Compliance with Web Content Accessibility Guidelines and Screen Readers.
Consider third-party accessibility testing to enhance digital accessibility and ensure compliance with Web Content Accessibility Guidelines (WCAG) and screen readers. Valley Metro employed a third-…
Content type
Date Posted
06/30/2023
Taxonomy (ARC-IT)
Shared Use Mobility and Dynamic Ridesharing (TI06)
Geolocation links
Chicago, Illinois, United States | Dallas, Texas, United States | Los Angeles, California, United States | Puget Sound, Washington, United States | San Francisco, California, United States | Tacoma, Washington, United States | Tucson, Arizona, United States | Portland, Oregon, United States | Phoenix, Arizona, United States | Vermont, United States | Pinellas County, Florida, United States
Establish a System-wide Inventory of Traffic Signal System Technology to Improve Evaluation Capabilities and Effectively Monitor Agency Investments.
The following recommendations are summarized based on the study:
Maintain an inventory of deployed technology on arterial corridors. An inventory would help the agency personnel know exactly which…
Content type
Date Posted
10/26/2021
Taxonomy (ARC-IT)
Infrastructure-Based Traffic Surveillance (TM01),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Current generation adaptive cruise control systems do not prevent phantom traffic jams.
Open-road tests show that adaptive cruise control systems can amplify breaking behaviors, potentially causing "phantom jams."
After the initial car slowed down each car following it showed a "…
Content type
Date Posted
10/17/2019
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
Partner with neighboring agencies, either formally or informally, to address institutional challenges and benefit from cross-jurisdictional traffic signal coordination.
Cross-jurisdictional signal coordination is an achievable goal for any size community regardless of the number of jurisdictions involved, the type of signal hardware and communication equipment, or…
Content type
Date Posted
02/07/2007
Taxonomy (ARC-IT)
Regional Traffic Management (TM07)
Evaluation of Mobility on Demand Pilot Found That the Subscription-Based Transit Hailing Service Delivered Competitive Wait Times Compared to Fixed-Route Transit Headways, with Forty-One Percent of Trips Arriving on or before the Requested Time.
Methodology
The independent evaluation team defined a logic model to describe project goals and link to corresponding evaluation hypotheses, performance metrics, and data sources, including system…
Content type
Date Posted
12/12/2022
Taxonomy (ARC-IT)
Dynamic Transit Operations (PT03)
Geolocation links
Evaluation data show that adaptive signal control strategies can improve travel times in comparison to optimized signal timing plans.
RESULTSSimulation results demonstrated that compared to optimized traffic signal timing plans, adaptive control algorithms can decrease travel time and improve traffic volume handling by…
Content type
Date Posted
05/05/2008
An evaluation of the Arizona 511 telephone traveler information system found that more than 70 percent of users surveyed were satisfied with the enhanced content provided.
RESULTS
Call volumes during the post-enhancement period increased 74 percent compared to the pre-enhancement period. Although much of the increase was the result of new callers, most of the…
Content type
Date Posted
06/20/2006
Taxonomy (ARC-IT)
Personalized Traveler Information (TI02),
Personnel Device Maintenance (SU13),
Trip Planning and Payment (TI04)
Geolocation links
In Tucson, Arizona and Seattle Washington models indicated adaptive signal control in conjunction with transit signal priority can decrease delay for travelers on main streets by 18.5 percent while decreasing delay for travelers on cross-streets by 2
Content type
Date Posted
08/01/2001
Taxonomy (ARC-IT)
Traffic Signal Control (TM03),
Connected Vehicle Traffic Signal System (TM04),
Transit Signal Priority (PT09)
Geolocation links
One autonomous vehicle can control the flow of at least 20 human-controlled vehicles around it.
Findings
It is not necessary for all vehicles to be automated to benefit from mobile actuation of an autonomous vehicle controller. A single autonomous vehicle can control the flow of at least 20…
Content type
Taxonomy (ARC-IT)
Freight Administration (CVO02),
Eco-Approach and Departure at Signalized Intersections (ST08),
Autonomous Vehicle Safety Systems (VS01)
Geolocation links
The Arizona DOT installed a freeway management system to control and monitor traffic on I-10 and I-19 within the City of Tucson for approximately $3.1 million (2009).
The proposed work located on I-10 (from I-19 to Valencia Road) and I-19 (from I-10 to approximately San Xavier Road) within the City of Tucson consisted of constructing a freeway management system (…
Content type
Made Public Date
01/23/2012
Taxonomy (ARC-IT)
Traffic Information Dissemination (TM06),
Integrated Decision Support and Demand Management (TM09),
Emissions Monitoring (ST01),
Eco-Traffic Metering (ST03),
Traffic Metering (TM05),
Infrastructure-Based Traffic Surveillance (TM01)
Geolocation links
The annualized life-cycle costs for full ITS deployment and operations in Tucson were estimated at $72.1 million.
The Federal Highway Administration (FHWA) conducted a study to explore the potential benefits and costs of fully deploying ITS operational strategies in large, medium, and small metropolitan areas.…
Content type
Made Public Date
10/01/2008
Taxonomy (ARC-IT)
Traffic Information Dissemination (TM06),
Integrated Decision Support and Demand Management (TM09),
Traffic Signal Control (TM03),
Commercial Vehicle Parking (CVO05),
Border Management Systems (TM23),
Electronic Clearance (CVO03),
Smart Roadside and Virtual WIM (CVO08),
Intelligent Access Program - Weight Monitoring (CVO18),
Roadside CVO Safety (CVO07),
In-Vehicle Signage (TI07),
Standard Railroad Grade Crossing (TM13),
Advanced Railroad Grade Crossing (TM14),
CV Driver Security Authentication (CVO14),
Freight Administration (CVO02),
Electronic Work Diaries (CVO16),
Intelligent Speed Compliance (CVO19),
Transit Fare Collection Management (PT04),
Emergency Call-Taking and Dispatch (PS01),
Emergency Vehicle Preemption (PS03),
Vehicle Emergency Response (PS05),
Incident Scene Pre-Arrival Staging Guidance for Emergency Responders (PS06),
Disaster Response and Recovery (PS12),
Broadcast Traveler Information (TI01),
Emissions Monitoring (ST01),
Eco-Traffic Metering (ST03),
Traffic Metering (TM05),
Reduced Speed Zone Warning / Lane Closure (VS09),
Personalized Traveler Information (TI02),
Work Zone Management (MC06),
Traffic Incident Management System (TM08),
Roadway Service Patrols (PS08),
Infrastructure-Based Traffic Surveillance (TM01),
Transit Vehicle Tracking (PT01),
Transit Signal Priority (PT09),
Transit Security (PT05),
Personnel Device Maintenance (SU13),
Trip Planning and Payment (TI04)
Geolocation links
The cost to implement the pre-enhanced Arizona Department of Transportation 511 system was estimated at $355,000; operating costs for 2002 were estimated at $137,000.
This report presents an analysis of the existing, pre-enhanced 511 traveler information system operated by the Arizona Department of Transportation (ADOT). The cost presented represents the estimated…
Content type
Made Public Date
03/02/2004
Taxonomy (ARC-IT)
Roadway Automated Treatment (MC03),
Personalized Traveler Information (TI02),
Weather Information Processing and Distribution (WX02),
Spot Weather Impact Warning (WX03),
Personnel Device Maintenance (SU13),
Trip Planning and Payment (TI04)
Geolocation links
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
1200 New Jersey Avenue, SE
Washington, DC 20590
