United Kingdom (17 unique benefit summaries found)

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.(July 2007)

A study of the congestion charging scheme in central London found benefits exceeding costs by a ratio of 1.5:1 for a £5 charge and 1.7:1 for an £8 charge.(July 2007)

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.(January 2006)

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 percent reported an overall negative impact.(January 2006)

Freeway lane reversal improved traffic volumes by 44 percent following South Carolina hurricane(2005)

Deployment experiences document the importance of traveler information and list top sources of traveler information.(2005)

Seventy (70) percent of survey respondents in Great Britain thought that automated speed and red-light enforcement cameras were a useful way to reduce accidents and save lives. ( 11 February 2003)

In Great Britain, automated speed and red-light enforcement reduced the percentage of vehicles exceeding the speed limit by 58 percent, the number of persons killed or seriously injured by 4 to 65 percent, and the personal injury accident rate by 6 percent.( 11 February 2003)

A transit signal priority system in Southampton, England reduced bus fuel consumption by 13 percent, lowered bus emissions by 13 to 25 percent, increased fuel consumption for other vehicles by 6 percent, and increased the emissions of other vehicles up to 9 percent.(1999)

A transit signal priority system in Eastleigh, England reduced bus delay by 9 seconds/vehicle/intersection and increased delay for other traffic by 2.2 seconds/vehicle/intersection. (1999)

A transit signal priority system in Eastleigh, England reduced bus fuel consumption by 19 percent and reduced bus emissions by 15 to 30 percent, and increased fuel consumption for other vehicles by 5 percent and increased the emissions of other vehicles up to 11 percent.(1999)

A transit signal priority system in Southampton, England reduced bus delay by 9.5 seconds/vehicle/intersection and increased delay for other traffic by 3.8 seconds/vehicle/intersection.(1999)

In London, a survey indicated that 30 percent of travelers who used a computerized route planning system and completed a trip, changed routes based on the information provided, another 10 percent decided to use public transport. (9 March 1998)

In England, an variable speed limit system on the M25 freeway increases average travel times, but promotes proper following distances between vehicles and creates smoother traffic flow.(14 March 1997)

In Manchester, UK, transit smart cards that improve data accuracy and reduce data collection costs saved $1.5 million.(September 1995)

In London, England; 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. (March 1995)

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.(1993)