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A study of connected bike share systems in five cities shows these systems can reduce vehicle miles traveled (VMT) to improve congestion and reduce emissions.

FINDINGS Estimates suggested that bike share systems can decrease VMT by as much as 632,841 km per year resulting in reduced congestion and fewer emissions from passenger vehicles. Researchers noted…
Content type
Date Posted
04/27/2020

Navigation systems with eco-routing features can improve fuel economy by 15 percent.

FINDINGS Eco-Driving These applications target individual drivers and interact with transportation management systems, information networks, and traffic control systems to determine vehicle…
Content type
Date Posted
10/03/2012

Operating costs of Mileage-based user fee programs can be as low as 7 percent of total system revenue and are more cost-effective than many other types of variable pricing systems.

Tolling data were collected from approximately 15 agencies that operate and maintain a variety of electronic toll collection and variable pricing systems including open road toll systems and managed…
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Date Posted
12/22/2011

Variable Pricing Systems worldwide indicate an increase in transit use and improved travel times and speeds system wide (priced lanes and general purpose lanes).

FINDINGSConversion of HOV lanes to HOT lanesEarly evaluations in San Diego (I-15 FasTrak) and Houston (US-290 and I-10 QuickRide) indicated that HOV to HOT conversions can increase lane use by 21 to…
Content type
Date Posted
11/30/2011

ITS pricing strategies can reduce traffic congestion and enhance the quality of service of buses.

FINDINGSITS can improve the operational aspects of congestion pricing with minimal intrusion on traffic flow. The following data excerpted from Table 1 of the source highlight findings from several…
Content type
Date Posted
05/18/2011

In London, the Central Congestion Charging program reduced traffic delays by 25 percent, and increased travel speeds by 30 percent in the zone.

Findings from London The methodology used in this report involved synthesizing information from a number of different sources. The information relevant to this benefit was taken from the Transport…
Content type
Date Posted
10/07/2010

In London in 2006, the Central Congestion Charging program reduced traffic entering the central London charging zone during charging hours by 21 percent.

Findings from London The methodology used in this report involved synthesizing information from a number of different sources. The information relevant to this benefit was taken from the Transport…
Content type
Date Posted
10/07/2010

In 2007, the Transport for London (TfL) stated that between 2003 and 2006, NOX emissions fell by 17 percent, PM10 by 24 percent and CO2 by 3 percent, with some of this improvement being attributed to the effects of better traffic flow, and the rest o

Findings from London The Congestion Charging program in London commenced in February 2003. It covered the 8.0 square mile, heavily congested central business district. The charging zone represented…
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Date Posted
02/16/2010

Survey data collected from an organization of approximately 500 businesses in London indicated that 69 percent of respondents felt that congestion charging had no impact on their business, 22 percent reported positive impacts on their business, and 9

The introduction of congestion charging in London included a five-year monitoring program. The following customer satisfaction benefits were highlighted.In May 2003, members of the London First…
Content type
Date Posted
02/12/2008

Congestion charging in London resulted in pollutant emission reductions: 8 percent for oxides of nitrogen, 7 percent for airborne particulate matter, and 16 percent for carbon dioxide.

Transport for London publishes a series of annual reports documenting the impacts of the congestion charging scheme.  Analysis presented in early reports in the series indicated that reduced…
Content type
Date Posted
02/12/2008

Congestion mitigating benefits of cordon charging in London enabled taxi drivers to cover more miles per hour, service more riders, and decrease operating costs per passenger-mile.

Although the program remains politically sensitive, independent evaluations have shown that the pricing program is an effective congestion reduction strategy and an efficient way to generate revenue…
Content type
Date Posted
02/12/2008

Congestion pricing in London decreases inner city traffic by about 20 percent and generates more than £97 million each year for transit improvements.

Although the program remains politically sensitive, independent evaluations have shown that the pricing program is an effective congestion reduction strategy and an efficient way to generate revenue…
Content type
Date Posted
07/11/2007

In London, an automatic fog detection system that used freeway dynamic message signs to warn drivers of fog reduced traffic speeds by an average of 1.8 mi/h.

Twelve DMS were chosen at which to assess the effectiveness of the system - a pair of signs on one of the approaches to each of six principal fog detector sites. These twelve signs were all on three-…
Content type
Date Posted
09/30/2005

Automated speed enforcement systems have reduced speed by 10 percent, decreased all crash injuries by 20 percent, and reduced serious and fatal crash injuries by 50 percent.

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Initial indications from the speed cameras installed in London show: Speed has been reduced by about 10 percent All casualties have been reduced by about 20 percent Fatal and serious casualties have…
Content type
Date Posted
09/21/2000

Assure public acceptance prior to implementation of electronic congestion pricing solutions.

Although the report presented evaluation data from a variety of ITS projects involving electronic congestion pricing, the primary focus of was on policy challenges and public acceptance. Assure…
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Date Posted
05/24/2011

Consider stakeholder outreach and education, transport modes that offer an alternative to driving, performance measurement, and area geography with high importance in the planning phase for road pricing programs.

Congestion pricing programs face political, institutional, and public acceptance challenges and concerns everywhere in the world. Over a 12-day period, from December 7 to 18, 2009, a…
Content type
Date Posted
03/31/2011

For successful implementation of a road pricing program, strive for simplicity in policy goals and strong championing of the program by the executive and legislative leaders.

Congestion pricing programs face political, institutional, and public acceptance concerns everywhere in the world. Many of these concerns can be solved or overcome when the road pricing policy and…
Content type
Date Posted
03/08/2011

Be prepared to face the opportunities and challenges posed by political timetables, project deadlines, as well as pricing-equity issues for road pricing procurement and implementation.

Congestion pricing programs face political, institutional, and public acceptance challenges and concerns everywhere in the world. Over a 12-day period, from December 7 to 18, 2009, a…
Content type
Date Posted
03/07/2011

Define clear goals and pay attention to key institutional and technical factors for successful implementation of road pricing programs.

Over a 12-day period, from December 7 to 18, 2009, a multidisciplinary scan team from the United States visited and interacted with the experts in Europe and Asia to develop an understanding of the…
Content type
Date Posted
03/03/2011

Between 2003 and 2008 operating costs for cordon pricing in European cities ranged from $9.2 million to $238.5 million.

This report covered a small-scale study of cordon pricing systems to help state officials and other policy makers discuss the implementation and operational costs of alternative revenue-generating…
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Made Public Date
12/14/2011

Annual operating costs for congestion pricing systems can exceed $161,000,000.

This report examined ITS pricing as a type of road charging designed to reduce traffic congestion. Several examples of international programs implemented between 1975 and 2006 were examined to…
Content type
Made Public Date
06/07/2011

Based on information from 18 agencies worldwide, the costs of real-time bus arrival information systems vary depending on AVL technology, fleet size, and provisioning of real-time information.

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…
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Made Public Date
06/01/2004