METHODOLOGY
Data collection from each truck spanned one to two months and yielded over 130,000 miles and more than 15,000 hours of truck operations. To simulate the truck performance, the study…
METHODOLOGY
In this study, the Smart City Infrastructure involved the essential, physical technology required to provide connectivity, sensors, and communications across urban LA, through wireless…
METHODOLOGY
One possibility being considered is to charge drivers when they pass through a high traffic area around downtown LA or LA International Airport, for instance. Another option being…
METHODOLOGY
In this study, the quantitative and qualitative evaluation methods used in the evaluation included the analysis of early and final survey data, activity data, payment data (for PS region…
METHODOLOGY
A calibrated microsimulation model of I-210 was used to simulate approximately five minutes of traffic flow on the highway. Initially, the simulation was started with free-flowing traffic…
METHODOLOGY
Emissions data were obtained through a mobile measurement technique in real-time using two equipped cars driving around Los Angeles, from Monday through Friday from 6AM to 6PM. The…
METHODOLOGY
For the LA dynamic agent-based model developed in this study, data from LA Metropolitan Planning Organization’s current activity-based travel demand model were used to obtain person-…
While driver incentive programs might be useful for congestion reduction, they are still mostly theoretical. A research team based at the University of Southern California modeled the effects of a…
The contract with Transit (app), which was selected through a competitive Request for Proposals process, did not have any associated costs and the partnership is expected to save Metro $240,000 per…
FINDINGS
Cities with bike share systems have seen "population-level increases in cycling" and hence decreased sedentary transportation.
Cities usually considered car-centric, like Los Angeles, have…
Findings
The analysis suggested that intelligent multi-modal trip planners like COPTER can reduce transportation related energy consumption during peak periods by four percent.
Findings
The analysis suggested that intelligent multi-modal trip planners like COPTER can reduce congestion related traffic delay by 14 to 20 percent during realistic peak period conditions and by…
Methodology
Foothill Transit purchased 12 electric buses through the Federal Transit Administration (FTA) Transit Investments for Greenhouse Gas and Energy Reduction (TIGGER) Program in order to…
FINDINGS
Overall the project demonstrated the potential for the system to substantially reduce drayage mileage and improved operational efficiencies. Analysis of live operational data indicated that…
The study attempts to broaden the understanding of the interplay among emerging and established modes of transportation by approaching from several angles the question of how shared modes, and…
Findings
After deployment of BRT, bus speeds increased by 23 percent in highly transit-dependent urban core corridors in Los Angeles. This improvement was specifically linked to transit signal…
Findings
Post-toll travel times for the Silver Line on the I-10 ExpressLanes were 4 percent shorter (<1 minute) in the morning peak period and 14 percent shorter in afternoon peak period (2.6…
Findings
In August 2014, Metro conducted a survey of FasTrak customers regarding their satisfaction with the program. The survey included four questions to identify changes and influencing factors in…
Findings
Transit ridership increases were noted corresponding to the deployment of both transit and tolling components of the CRD projects. The following specific changes to ridership were noted to…
Findings
On the I-110 ExpressLanes, monthly average peak period tolls ranged from $3.31 to $7.63. The monthly maximum toll ranged from $3.95 to $14.55. On the I-10 ExpressLanes, monthly average peak…
METHODOLOGY
Fuel consumption calculations multiply vehicle miles traveled (VMT) by the appropriate fuel economy for the appropriate speed. The emission factors by speed were prepared using the…
FINDINGSTolling
The ExpressLanes resulted in greater vehicle throughput and vehicle miles traveled (VMT) on I-10 and I-110. Emissions increase with VMT. Net VMT increased by 30.5 percent on I-10 and…
FINDINGSParking Management
Parking rate changes over the first year of the LA Express Park program decreased average parking rates at 59 percent of parking meters, increased rates at 29 percent of…
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For the analyses, two scenarios for drayage truck electrification were compared to a reference case scenario.
Scenario 1- conservative electrification scenario (CES) where 50 percent of near-dock…
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Methodology
A regression model of dwell time by fare payment type was estimated. For the model, Metro provided Universal Farebox System (UFS) and Automatic Passenger Counter (APC) data from March 3…
A major customer and agency benefit of smart card technology for fare collection is a reduction in fare processing time. The average smart card fare processing time in the LA Metro study was 2.27…
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METHODOLOGYIn reviewing these three cases, the authors found that while these public transportation agencies have made their best efforts to estimate smart card costs and benefits, these studies are…
FindingsTravel Time SavingsTravel time savings associated with TSP in North America have ranged from 2 to 18 percent, with typical reductions of 8 to 12 percent. In Los Angeles, the MTA saw a 7.5…
FINDINGS
The USDOT's Freight Technology Assessment Tool (FTAT) was used to calculate the net present value, benefit-cost ratio, and total process improvement for each case study.
Case Study…
Simulation Study
The PARAMICS microscopic traffic simulation tool was applied to the Comprehensive Modal Emissions Model (CMEM) to examine vehicle performance under a variety of traffic conditions.…
The demonstration project included the implementation of a transit priority system (TPS) within the two corridors encompassing 211 traffic signals. The TPS project serves to improve the on-time…
The Los Angeles Metro Blue Line (MBL) demonstration project was carried out to investigate the use of a "second train coming" warning system that uses a train-activated warning sign as a means of…
Researchers used traffic flow data and a driver survey to assess the effectiveness of the AWIS. For weekend and holiday periods when congestion was expected, traffic volumes and diversion rates were…
To assess customer satisfaction, a postcard-based survey was designed to obtain driver comments on the work zone information system. At two off-ramps, Caltrans staff and California Highway Patrol…
The evaluation focused only on southbound Interstate 5 due to severe congestion levels. The simulation network was designed in PARAMICS (PARAllel MICroscopic Simulation) using aerial photos, road…
The evaluation focused only on southbound Interstate 5 due to severe congestion levels. The simulation network was designed in PARAMICS (PARAllel MICroscopic Simulation) using aerial photos, road…
Adaptive signal control systems use algorithms that perform real-time optimization of traffic signals based on current traffic conditions, demand, and system capacity. Adaptive control software…
The City evaluated the ATCS by comparing its operation to the Urban Traffic Control System (UTCS) that had been in operation since 1984. Intersections in the Mar Vista and Brentwood areas of the city…
FINDINGS
Adaptive signal control systems use algorithms that perform real-time optimization of traffic signals based on current traffic conditions, demand, and system capacity. Adaptive control…
In Seattle, the following evaluation data were highlighted:
1) Top Sources of Traveler Information (percent of trips where information was consulted).
En-route radio (56 percent).
Pre-trip radio (…
Notes:See also:Hughes, Ronald, et al. ITS and Pedestrian Safety at Signalized Intersections, ITS Quarterly Vol. VII #2, ITS America, Washington DC. 1999.
FINDINGSThe following results show the time saving benefits of automated versus manual processing (biometric/smart-card authorization vs. manual duplication/photocopying of all paperwork) at transfer…
ANN ARBOR, MICHIGANIn 1996, a test was conducted in Ann Arbor, Michigan that investigated bus priority using green extensions, red truncation (with and without compensation), and skip phasing (…
In Los Angeles, CA, photo enforcement equipment has been installed along the Blue Line light rail system. The systems use high-resolution cameras to photograph motorists running under or around…
FINDINGS
The system reportedly reduced vehicle stops 41 percent, reduced travel time 18 percent, increased average speed 16 percent, and decreased delay by 44 percent.
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-…
Some key lessons learned and recommendations for large scale traffic management across multiple ICMs are listed below:
Have a basic level of data, data exchange, and situational awareness…
Include a Mix of Metrics to Measure the Performance of the Rideshare to Transit Program. The experience from the LA deployment in this study revealed that ridership is a critical indicator but not…
The Los Angeles Department of Transportation (LADOT) launched a dockless micromobility pilot program in 2019. LADOT’s objective for this program was to allow dockless micromobility programs to…
Perceived/operational disruptions and solutions:
Disruption: Cable and telecom companies concerned about access to power pole.
Solution: Train linemen on how to navigate around new equipment.
…
Best Practices
Examine Route Options. Short-range, on-route-charged buses are inflexible and cannot be deployed at other service routes that do not connect to an on-route charging location.
Conduct…
Integrating FRATIS with existing order management systems reduces human data entry errors. Using FRATIS, an entire set of daily orders can be entered in about the same amount of time it would take to…
The lessons below were derived from the LA-Gateway FRATIS project:
Use the FRATIS system to enable automated communications between multiple stakeholders and improve logistics in the event of traffic…
Project updates have been posted regularly on the Metro ExpressLanes project website [1]. The following lessons learned were highlighted during a UPA-CRD update webinar held December 15, 2011.
Have…
Many TOCs in the country have now entered into their second-generation life cycle and have successfully implemented day-to-day TOC operations in their jurisdictions. TOCs from California, Minnesota,…
TOC operational efficiencies can be greatly improved by placing added focus on network administration, thereby reducing downtime, improving system performance, and enhancing spare-parts and equipment…
While no single approach can be prescribed for all incident management efforts, a flexible framework based on experiences from successful incident management programs in the United States can be…
The Regional Traffic Incident Management Programs: Implementation Guide aims to explain general steps to implementation (with an institutional, rather than technical, focus), and is based on…
Formalizing the incident management effort existing in many cities into an incident management program can make incident management a core agency activity at senior executive levels and demonstrate a…
There is some form of incident management activity in most major and many mid-sized urban areas. Typically this involves each agency carrying out its own responsibilities, with primarily working-…
In 2011 the Los Angeles (LA) Public Transit Authority, LA Metro, conducted a study of on the feasibility of developing a publicly run bike sharing system in the greater LA area. From this effort, LA…
The Metropolitan Transportation Authority (MTA) in Los Angeles, California wants to eliminate emissions from its fleet by 2030.Costs
The MTA board is considering a $138 million proposal to buy 95…
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Growing congestion on metropolitan highway networks poses a substantial threat to the U.S. economy and to the quality of life of millions of Americans. Congestion pricing – sometimes called value…
Background
Transit preferential treatments have been deployed across the United States and around the world in order to improve travel times and reliability of bus and light rail routes. Examples of…
This research synthesized evaluation findings from 24 projects sponsored by the Federal Highway Administration (FHWA) Congestion and Value Pricing Pilot Program (VPPP) between 1991 and 2006.…
A major objective of the Los Angeles Metro Rapid program is to provide high quality rail emulation service at a reasonable capital cost. The Los Angeles County Metropolitan Transportation Authority,…
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The Los Angeles County Metro Freeway Service Patrol (FSP), launched in July 1991, is jointly operated and managed by the Los Angeles County Metropolitan Transportation Authority (Metro), California…
This TCRP synthesis report presents information on the state of the practice in real-time bus arrival information systems based on literature research and survey of transit agencies in the United…
The US DOT ITS Joint Program Office evaluated seven projects that implemented ITS at highway-rail crossings. Among the seven projects five functions were tested:
Second train warning
Four-…
The Los Angeles DOT (LADOT) implemented a $10 million bus signal priority demonstration project along two corridors (Ventura Boulevard and the Santa Monica-Beverly Hills- Montebello route) in the…