Effects of Traffic Calming Measures on Pedestrian and Motorist Behavior

Huang, Herman F.; Cynecki, Michael J.

doi:10.3141/1705-05

Cited by 51 publications

(29 citation statements)

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“…Other speed related efficiency parameters are 85 th percentile speed, standard deviation of longitudinal acceleration and deceleration, percentage of drivers exceeding the speed limit, the highest speeds, 10 mph pace (Ariën et al 2013(Ariën et al , 2014Corkle et al 2002;Mountain et al 2005). Among other commonly used TCM efficiency parameters are reduction of traffic volume, change in the number of fatal and injury accidents, traffic noise level, vehicle emission and public health impact (Čygaitė et al 2014;Huang, Cynecki 2001;Lee et al 2013). Some authors measure TCM efficiency as a delay per TCM during emergency transport (Berthod 2011), or delay time for crossing the road (Garrod et al 2002), cost of traffic calming project and maintenance costs (Garrod et al 2002, Langdon 2003.…”

Section: Unified Methodology For Estimating Efficiency Of Traffic Calmentioning

confidence: 99%

Unified methodology for estimating efficiency of traffic calming measures – example of Estonia

Ess

Antov

2016

The Baltic Journal of Road and Bridge Engineering

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Traffic calming is an integral part of contemporary traffic planning and traffic management being used for fulfilling different tasks such as reducing vehicle speed and traffic volume, and in final terms reducing number of accidents. Traffic calming measures are notstandardized internationally and have significant differences in geometric shape and layout in different countries, as well as in Estonia. At the same time impacts of different calming measures are unstudied well, and often the surveys are incomparable to each other. There are also no certain recommendation which measures should be implemented under different conditions. One of the reasons for that is lack of tested methodology for estimating the effectiveness of calming measures. This paper describes research that aimed at developing such a methodology and conducting a pilot study to test it. Effectiveness of traffic calming measures is estimated from the perspectives of vehicle speed and public acceptance. The new methodology assumes conducting an experiment. It allows comparing efficiency of two or more measures of the same type. The pilot study was conducted in Tallinn with a sample of 30 drivers. Results of this study proved that the new methodology is suitable for estimating effectiveness of traffic calming measures.

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Section: Unified Methodology For Estimating Efficiency Of Traffic Calmentioning

confidence: 99%

Unified methodology for estimating efficiency of traffic calming measures – example of Estonia

Ess

Antov

2016

The Baltic Journal of Road and Bridge Engineering

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“…A curb extension is a physical extension of a curb at a corner that is intended to reduce the pedestrian crossing distance, increase visibility between pedestrians and motorists, and reduce the speed of turning vehicles, all of which may increase pedestrian safety and encourage motorists to drive more carefully (Huang & Cynecki, 2001; National Association of City Transportation Officials, 2017). Curb extensions are typically made of concrete, but the curb extensions installed on César Chávez were created by using red paint on the portion of the street where a concrete curb extension would be, bordering the extension with white paint and flexible bollards, and adding planters in the extensions (Figure 1).…”

Section: The Current Studymentioning

confidence: 99%

Evaluating Streetscape Modifications in Los Angeles, California with a Health Lens

Green

Gase

Singh

et al. 2019

CALIF J HEALTH PROMOT

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Background and Purpose: Despite growing evidence linking health and the built environment, local health departments are often not involved in the evaluation of a streetscape modification project. This paper describes an assessment conducted by a local health department to address this gap by using a health lens to evaluate the installation of painted curb extensions on a commercial corridor in Los Angeles. Methods: The local health department conducted an observational pre-post study of pedestrian and motorist data at both an intersection receiving the painted curb extension and a comparison intersection along the same corridor that had already received the extension. The study also analyzed streetscape features along the corridor related to walkability, to understand the painted curb extension in the context of the broader built environment. Results: The painted curb extension did not appear to significantly impact pedestrian and motorist behavior, though some slight changes were observed. Pedestrians along the corridor generally exhibited safe behavior at intersections, but encountered dangerous driver behavior and built environment barriers, which can discourage walking. Conclusion: This case study demonstrates how health considerations can be integrated into an evaluation of a streetscape modification project, and can provide guidance for other health practitioners developing such evaluation projects in their own jurisdictions.

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“…GPS data has also been used to detect congestion both in real time (Yong There is a large literature on impact assessment of various transportation related initiatives. The most popular is the before-after study whereby a specific metric is measured before and after a policy or treatment that affects travel pattern; examples include speed or crashes on a corridor before and after traffic calming measures, as in Huang and Cynecki (2000) or safety effects of a transport infrastructure project as in Elvik et al (2001). The before-after studies could control for other factors or not, but lack of control may lead to imprecise effect estimates.…”

Section: Literaturementioning

confidence: 99%

Congestion impacts of shopping using vehicle tracking data

Wadud

Chen

2018

Journal of Transport Geography

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Shopping and retail trade play an important role in the economy, yet shopping activities and associated on-street parking and disruptions to traffic could substantially contribute to congestion in the megacities of the developing and emerging countries. This research investigates and quantifies the effects of shopping and related roadside frictions and disruptions on congestion in a city. We make use of minute by minute GPS tracking data of vehicles and a unique policy of different shopping closure days in different areas of the city, which allows the separation of shopping related congestion effects from commute and other effects. Results show that average speed increased by 18.5% on weekdays when shopping centres were closed. The differences in speed in the different zones can also be qualitatively related with the density of shopping centres in those zones.

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Effects of Traffic Calming Measures on Pedestrian and Motorist Behavior

Abstract: Also known as road humps, undulations, or "sleeping policemen,"

Cited by 51 publications

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Unified methodology for estimating efficiency of traffic calming measures – example of Estonia

Unified methodology for estimating efficiency of traffic calming measures – example of Estonia

Evaluating Streetscape Modifications in Los Angeles, California with a Health Lens

Congestion impacts of shopping using vehicle tracking data

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