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Application Area Icon for Traveler InformationTraveler Information (56 unique benefit summaries found)

Pre-Trip Information

A simulation study found that drivers using traveler information arrived at their destination within 15 minutes of the target arrival time 79 percent of the time; this percentage drops to 42 without traveler information.(14-18 October 2002)

A simulation study in Seattle found that if 6 to 10 percent of travelers started using pre-trip traveler information during severe weather conditions, there would be a small positive impact on roadway system efficiency and mobility .(October 2000)

In Cologne, Germany, a survey of travelers indicated that workers and commuters traveling a distance of 40 km or more were willing to pay the most for traveler information services, shoppers and commuters traveling a distance of 5 to 10 km were willing to pay the least.(8-12 November 1999)

Impacts on Traffic Congestion by Switching Routes and Shifting Departure Time of Trips(12-16 October 1998)

Simulation of a network based on the Detroit Commercial Business District indicated that adaptive signal control for detours around an incident could reduce delay by 60 to 70 percent and that travel times can be reduced by 25 to 41 percent under non-incident conditions. (June 1997)

A model indicated that changes in travel behavior due to better traveler information in Boston, Massachusetts would result in a 25 percent reduction in volatile organic compounds, a 1.5 percent decline in nitrous oxide, and a 33 percent decrease in carbon monoxide.(July 1993)

511

In Kentucky, 94 percent of travelers surveyed said they were satisfied with the information provided by 511 Tourism Service operators. (May 2006)

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.(30 September 2005)

Customer satisfaction with 511 ranged from 68 to 92 percent in four deployments studied. (September 2005)

In Virginia, an evaluation of 511 services indicated 90 percent of callers found the service useful, and nearly half adjusted their travel plans based on the information provided.(January 2004)

Final Evaluation Report for the Greater Yellowstone Regional Traveler and Weather Information System (GYRTWIS)(12/30/2003)

Intelligent Transportation Systems at the 2002 Salt Lake City Winter Olympic Games: Event Study Traffic Management and Traveler Information(April 2003)

Internet/Wireless

Integrated Corridor Management (ICM) strategies that promote integration among freeways, arterials, and transit systems can help balance traffic flow and enhance corridor performance; simulation models indicate benefit-to-cost ratios for combined strategies range from 7:1 to 25:1.(2009)

Increasing integration between AVL systems, components, and interfaces has improved the ability of transit agencies to collect data on location and schedule adherence; support operational control, service restoration, and planning activities.(2008)

In 2006, improvements to Florida's SMART SunGuide Website increased hits to 16,778,000 from 115,000 hits recorded in 2005.(January 2007)

An automated work zone information system deployed on a California interstate greatly reduced traffic demand through the work zone resulting in a maximum average peak delay that was 50 percent lower than expected.(22-26 January 2006)

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.(30 September 2005)

In the Washington DC metropolitan area, drivers who use route-specific travel time information instead of wide-area traffic advisories can improve on-time performance by 5 to 13 percent.(9-13 January 2005)

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

The Illinois DOT enhanced work zone safety on I-55 by deploying an automated traffic control system that posted traffic information and enforcement updates (number of citations issued) on dynamic message signs located upstream of the work zone.(October 2004)

The Illinois DOT indicated that an automated traffic control system deployed during the reconstruction of I-55 improved mobility by preventing severe congestion in the work zone. (October 2004)

In Southeast Pennsylvania, survey results indicated that users of the SmarTraveler website were more likely to use the service again compared to users of the SmarTraveler telephone service.(19-22 May 2003)

Intelligent Transportation Systems at the 2002 Salt Lake City Winter Olympic Games: Event Study Traffic Management and Traveler Information(April 2003)

A simulation study in the Washington, DC area found that 40 percent of travelers who use pre-trip traveler information would save $60.00 or more per year as a result of fewer early and late arrivals.(12-16 January 2003)

A simulation study in the Washington, DC area found that regular users of pre trip traveler information reduced their frequency early and late arrivals by 56 and 52 percent, respectively.(12-16 January 2003)

TMC staff in Pittsburgh, Pennsylvania found real-time traffic information useful and noted that it improved coverage for incident management.(5 September 2002)

Houston Smart Commuter(April 2002)

A simulation study of existing ITS (traveler information, ramp metering, and DMS) on a Detroit freeway demonstrated how these technologies can increase average vehicle speed, decreased average trip time, and reduce commuter delay by as much as 22 percent.(July 2001)

A simulation study of existing ITS (traveler information, ramp metering, and DMS) on a Detroit freeway demonstrated how these technologies were beneficial to corridor capacity.(July 2001)

In the Washington DC region, a simulation study indicated that commuters who use real-time travel time information to plan routes and departure times during peak periods can improve on-time reliability by 5 to 16 percent.(January 2001)

In Arizona and Missouri a survey of tourists found that those who used advanced traveler information systems believed the information they received save them time.(30 June 2000)

Simulation results indicated that vehicle emissions could be reduced by two percent if arterial traffic flow data were included in the traveler information system in Seattle, Washington.(30 May 2000)

Modeling indicated that coordinating fixed signal timing plans along congested arterial corridors leading into Seattle, Washington, and incorporating arterial traffic flow data into the traveler information system would reduce vehicle delay by 7 percent and 1.8 percent, respectively.(30 May 2000)

A model determined that incorporating arterial traffic flow data into the traveler information system in Seattle, Washington could decrease the number of stops by 5.6 percent.(30 May 2000)

Users of the Advanced Traveler Information System in Seattle, Washington were satisfied with the information on freeway and transit conditions provided via Web sites and a Traffic TV service.(30 May 2000)

Modeling performed as part of an evaluation of nine ITS implementation projects in San Antonio, Texas indicated that users of an improved traveler information web site would receive annual benefits of a 5.4 percent reduction in delay.(May 2000)

In San Antonio, Texas, usage of a traveler information web site increased at a rate of 19 percent per year and spiked during severe weather events.(May 2000)

Based on the survey results only 9 percent of households were aware of TravInfo, and less than 1 percent of the Bay area commuters who used traveler information used TravInfo.(25 April 2000)

In Phoenix, Arizona, an evaluation of website traveler information found that 16 percent of surveyed respondents thought the web site information was useful.(April 2000)

Features of Traffic and Transit Internet Sites(February 2000)

A simulation study indicated that vehicle throughput would increase if arterial data were integrated with freeway data in an Advanced Traveler Information System in Seattle, Washington. (September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could reduce emissions by 1 to 3 percent, lower fuel consumption by 0.8 percent, and improve fuel economy by 1.3 percent.(September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could diminish delay by 1 to 7 percent, reduce stops by about 5 percent, lower travel time variability by 2.5 percent, and improve trip time reliability by 1.2 percent.(September 1999)

In 1999, a study in Seattle, Washington indicated that participants who used traveler information devices including wrist watches, in-vehicle components, and portable computers found the information was useful for making travel decisions.(5 January 1999)

In 1995, analysis of the TravLink test in the Minneapolis area found that slightly more than one access per participant per week.(November 1995)

In Europe, ITS studies found customer satisfaction with traveler information delivered via portable electronic devices, public access terminals, Internet web sites, and in-vehicle navigation devices ranged from 50 to 95 percent. (1994-1998)

Kiosks

In Arizona and Missouri a survey of tourists found that those who used advanced traveler information systems believed the information they received save them time.(30 June 2000)

Analysis of the Los Angeles Smart Traveler project that deployed a small number of information kiosks found that the number of daily accesses to the system ranged from 20 to 100 in a 20-hour day.(22-28 January 1995)

In Europe, ITS studies found customer satisfaction with traveler information delivered via portable electronic devices, public access terminals, Internet web sites, and in-vehicle navigation devices ranged from 50 to 95 percent. (1994-1998)

Other Telephone

In Southeast Pennsylvania, survey results indicated that users of the SmarTraveler website were more likely to use the service again compared to users of the SmarTraveler telephone service.(19-22 May 2003)

In Arizona and Missouri a survey of tourists found that those who used advanced traveler information systems believed the information they received save them time.(30 June 2000)

An evaluation of traffic information used by travelers in the Detroit area, in 2000, found that most drivers perceived commercial radio as "more reliable" than television or dynamic message sign information. (May 2000)

Based on the survey results only 9 percent of households were aware of TravInfo, and less than 1 percent of the Bay area commuters who used traveler information used TravInfo.(25 April 2000)

A simulation study indicated that vehicle throughput would increase if arterial data were integrated with freeway data in an Advanced Traveler Information System in Seattle, Washington. (September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could reduce emissions by 1 to 3 percent, lower fuel consumption by 0.8 percent, and improve fuel economy by 1.3 percent.(September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could diminish delay by 1 to 7 percent, reduce stops by about 5 percent, lower travel time variability by 2.5 percent, and improve trip time reliability by 1.2 percent.(September 1999)

More than 99 percent of surveyed users said they benefited from information provided by an advanced transportation management system and traveler information system serving northern Kentucky and Cincinnati. (June 1999)

In San Francisco, the TravInfo telephone service had a high level of customer satisfaction with the two highest ranking aspects of TravInfo being convenience (average score = 4.2) and ease of comprehension (average score = 4.3) on a scale of one to five, with five being very satisfied.(12-16 October 1998)

In Toronto, the COMPASS traffic monitoring and incident information dissemination system on Highway 401 decreased the average incident duration from 86 to 30 minutes per incident.(1997)

TV/Radio

In the Washington DC metropolitan area, drivers who use route-specific travel time information instead of wide-area traffic advisories can improve on-time performance by 5 to 13 percent.(9-13 January 2005)

In Southeast Pennsylvania, survey results indicated that users of the SmarTraveler website were more likely to use the service again compared to users of the SmarTraveler telephone service.(19-22 May 2003)

A simulation study of the road network in Seattle, Washington demonstrated that providing information on arterials as well as freeways in a traveler information system reduced vehicle-hours of delay by 3.4 percent and reduced the total number of stops by 5.5 percent.(6-9 November 2000)

A simulation study of the road network in Seattle, Washington demonstrated that providing information on arterials as well as freeways in a traveler information system increased throughput by 0.1 percent.(6-9 November 2000)

Simulation results indicated that vehicle emissions could be reduced by two percent if arterial traffic flow data were included in the traveler information system in Seattle, Washington.(30 May 2000)

Modeling indicated that coordinating fixed signal timing plans along congested arterial corridors leading into Seattle, Washington, and incorporating arterial traffic flow data into the traveler information system would reduce vehicle delay by 7 percent and 1.8 percent, respectively.(30 May 2000)

A model determined that incorporating arterial traffic flow data into the traveler information system in Seattle, Washington could decrease the number of stops by 5.6 percent.(30 May 2000)

Users of the Advanced Traveler Information System in Seattle, Washington were satisfied with the information on freeway and transit conditions provided via Web sites and a Traffic TV service.(30 May 2000)

An evaluation of traffic information used by travelers in the Detroit area, in 2000, found that most drivers perceived commercial radio as "more reliable" than television or dynamic message sign information. (May 2000)

In Phoenix, Arizona, an evaluation of traveler information provided on cable television found that 29 percent of surveyed respondents thought the traffic channel was useful.(April 2000)

A simulation study indicated that vehicle throughput would increase if arterial data were integrated with freeway data in an Advanced Traveler Information System in Seattle, Washington. (September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could reduce emissions by 1 to 3 percent, lower fuel consumption by 0.8 percent, and improve fuel economy by 1.3 percent.(September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could diminish delay by 1 to 7 percent, reduce stops by about 5 percent, lower travel time variability by 2.5 percent, and improve trip time reliability by 1.2 percent.(September 1999)

In San Francisco, the TravInfo telephone service had a high level of customer satisfaction with the two highest ranking aspects of TravInfo being convenience (average score = 4.2) and ease of comprehension (average score = 4.3) on a scale of one to five, with five being very satisfied.(12-16 October 1998)

In Minneapolis, a traffic incident information pager service was used daily by 65 percent of participants, and used once-per-week or more by 88 percent of participants; users decided to changed travel routes in 42 percent of the situations.(10 June 1997)

En Route Information
511

In Kentucky, 94 percent of travelers surveyed said they were satisfied with the information provided by 511 Tourism Service operators. (May 2006)

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.(30 September 2005)

Customer satisfaction with 511 ranged from 68 to 92 percent in four deployments studied. (September 2005)

In Virginia, an evaluation of 511 services indicated 90 percent of callers found the service useful, and nearly half adjusted their travel plans based on the information provided.(January 2004)

Final Evaluation Report for the Greater Yellowstone Regional Traveler and Weather Information System (GYRTWIS)(12/30/2003)

In-Vehicle Systems

In 1999, a study in Seattle, Washington indicated that participants who used traveler information devices including wrist watches, in-vehicle components, and portable computers found the information was useful for making travel decisions.(5 January 1999)

Other Telephone

Houston Smart Commuter(April 2002)

In Arizona and Missouri a survey of tourists found that those who used advanced traveler information systems believed the information they received save them time.(30 June 2000)

Simulation results indicated that vehicle emissions could be reduced by two percent if arterial traffic flow data were included in the traveler information system in Seattle, Washington.(30 May 2000)

Modeling indicated that coordinating fixed signal timing plans along congested arterial corridors leading into Seattle, Washington, and incorporating arterial traffic flow data into the traveler information system would reduce vehicle delay by 7 percent and 1.8 percent, respectively.(30 May 2000)

A model determined that incorporating arterial traffic flow data into the traveler information system in Seattle, Washington could decrease the number of stops by 5.6 percent.(30 May 2000)

Users of the Advanced Traveler Information System in Seattle, Washington were satisfied with the information on freeway and transit conditions provided via Web sites and a Traffic TV service.(30 May 2000)

An evaluation of traffic information used by travelers in the Detroit area, in 2000, found that most drivers perceived commercial radio as "more reliable" than television or dynamic message sign information. (May 2000)

Based on the survey results only 9 percent of households were aware of TravInfo, and less than 1 percent of the Bay area commuters who used traveler information used TravInfo.(25 April 2000)

A simulation study indicated that vehicle throughput would increase if arterial data were integrated with freeway data in an Advanced Traveler Information System in Seattle, Washington. (September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could reduce emissions by 1 to 3 percent, lower fuel consumption by 0.8 percent, and improve fuel economy by 1.3 percent.(September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could diminish delay by 1 to 7 percent, reduce stops by about 5 percent, lower travel time variability by 2.5 percent, and improve trip time reliability by 1.2 percent.(September 1999)

More than 99 percent of surveyed users said they benefited from information provided by an advanced transportation management system and traveler information system serving northern Kentucky and Cincinnati. (June 1999)

Radio

In the Washington DC metropolitan area, drivers who use route-specific travel time information instead of wide-area traffic advisories can improve on-time performance by 5 to 13 percent.(9-13 January 2005)

An evaluation of traffic information used by travelers in the Detroit area, in 2000, found that most drivers perceived commercial radio as "more reliable" than television or dynamic message sign information. (May 2000)

Wireless

Integrated Corridor Management (ICM) strategies that promote integration among freeways, arterials, and transit systems can help balance traffic flow and enhance corridor performance; simulation models indicate benefit-to-cost ratios for combined strategies range from 7:1 to 25:1.(2009)

In 1999, a study in Seattle, Washington indicated that participants who used traveler information devices including wrist watches, in-vehicle components, and portable computers found the information was useful for making travel decisions.(5 January 1999)

In Minneapolis, a traffic incident information pager service was used daily by 65 percent of participants, and at least once-per-week by 88 percent of participants; users decided to changed travel routes in 42 percent of the situations.(10 June 1997)

Tourism & Events
Advanced Parking

A survey of bus riders within Acadia National Park in Maine found that 44 percent who experienced real-time parking information agreed the information helped them decide to ride the bus.(June 2003)

A survey of visitors to the Acadia National Park in Maine found that 74 percent of respondents who saw parking availability information agreed these technologies made it easier to get around.(February 2003)

Travel Services

In Kentucky, 94 percent of travelers surveyed said they were satisfied with the information provided by 511 Tourism Service operators. (May 2006)

Intelligent Transportation Systems at the 2002 Salt Lake City Winter Olympic Games: Event Study Traffic Management and Traveler Information(April 2003)

In Arizona and Missouri a survey of tourists found that those who used advanced traveler information systems believed the information they received save them time.(30 June 2000)