The Crossing Speed of Elderly Pedestrians

Trpković, Ana; Milenković, Marina; Vujanic, Milan P.; Stanić, Bojana; Glavić, Draženko

doi:10.7307/ptt.v29i2.2101

Cited by 5 publications

(10 citation statements)

References 13 publications

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“…In addition, with reference to relevant research, it is recommended that the proportion of the elderly exceeds 15%, and for every 10% increase, the value of the crossing speed is reduced by 0.1 m/s [12]. The speed value researched in the paper is the same as the Knoblauch [7] results, but lower than the values given in HCM and by Coffin et al [4,8,10,13], and higher than the values given by Diaz and Trpkovic [12,14]. About the elderly pedestrian ratio that setting the speed is lower than the 20% provided by the researchers [10,13,15].…”

Section: Resultsmentioning

confidence: 63%

“…In HCM2000 [13], it is recommended that the proportion of the elderly in the area below 20% adopts 1.22 m/s as the design speed, and in the area where the proportion of the elderly exceeds 20%, the design speed is 1.00 m/s, and if the proportion of the elderly increases by 10%, the pedestrian walking design speed is reduced by 0.1 m/s. Trpkovic et al [14] investigated the walking speed of the elderly pedestrians at ten intersections, and the 15 th percentile walking speed was 0.88 m/s. For the relationship between the proportion of the elderly pedestrians and the pedestrian crossing speed value, Milazzo et al found the 15 th percentile walking speed when reduced by at least 0.05 from the recommended value was taken as the design speed of the elderly pedestrian crossing street, and the elderly pedestrian threshold was obtained.…”

Section: Introductionmentioning

confidence: 99%

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Threshold Research on the Elderly Pedestrian Ratio in Pedestrian Crossing Speed Setting on Signalized Crosswalks in China

Zhang

2020

PROMET

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Inadequate consideration of the elderly people crossing demand on the signalized intersections would bring great potential safety hazards, especially the speed through the crosswalk. By observing the pedestrian walking speed at three signalized crosswalks and a relatively spacious sidewalk in Chongqing, China, this paper has obtained the walking speed values of 658 elderly people and 1,176 adults at the signalized crosswalks, as well as the walking speed parameters of 868 adults and 422 elderly people on a relatively spacious sidewalk section. Comparing the walking speed of adults walking along the sidewalk section and on signalized crosswalks, the data show that there is no significant difference between these two site speeds. Similarly, when comparing the two site data of the elderly, it is found that their walking speed at the signalized crosswalk is significantly higher than that on the sidewalk section. That is to say, the speed setting for the old people crossing the crosswalk has not been fully considered. Subsequently, taking the elderly’s walking speed as input parameter, establishing the simulation models under different proportions of the elderly and different pedestrian flows, and then gain the walking speed values of the pedestrians with different quantities and different proportion of the elderly pedestrians. With the help of the unknown breakpoint Regression method, under the setting of the elderly pedestrian speed crossing the street, the proportion threshold of the elderly crossing the street at the signalized intersection is obtained. The results show that when the proportion of the elderly is more than 15% of the pedestrians crossing the street, the pedestrian crossing speed value for the signal time is suggested to be 0.97 m/s.

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Section: Resultsmentioning

confidence: 63%

Section: Introductionmentioning

confidence: 99%

Threshold Research on the Elderly Pedestrian Ratio in Pedestrian Crossing Speed Setting on Signalized Crosswalks in China

Zhang

2020

PROMET

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“…Crossing behavior. Walking speed is not the only reason that crossing at a signalized or designated crossing place can be dangerous; the way in which pedestrians adhere to and understand crossing rules can also inform safety (see Table 4 for a summary of papers; please note two of the papers in this section, Coffin &Morrall, 1995 andTrpković et al, 2017, are described in Table 2).…”

Section: Crossing At Signalized Crossingsmentioning

confidence: 99%

Why Are Older Adults More at Risk as Pedestrians? A Systematic Review

Wilmut

Purcell

2021

Hum Factors

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Objective To explore factors that could explain why older adults are more at risk at the roadside. Background The physical and psychological health benefits of walking have been well-established, leading to the widespread promotion of walking amongst older adults. However, walking can result in an increased risk of injury as a pedestrian at the roadside, which is a greater risk for older adults who are overrepresented in pedestrian casualty figures. Method Relevant databases were searched up to January 2020. All peer-reviewed journals that presented data on healthy older adults and some aspect of road crossing or roadside behavior were included. A total of 142 papers were assessed and 60 met the inclusion criteria. Results Identified papers could be grouped into three areas: crossing at a designated crossing place; crossing with no designated crossing place; perceptions or behaviors. Conclusion Multiple individual (attitudes, perceived behavioral control, walking time, time-to-arrival judgments, waiting endurance, cognitive ability), task (vehicle size, vehicle speed, traffic volume), and environmental (road layout, time of day, weather) constraints influence road crossing in older adulthood. Application Accessibility of designated crossing areas needs to be addressed by ensuring sufficient time to cross and nonrestrictive waiting times. Signalized crossings need to be simplified and visibility increased. Where there is no designated crossing place, a reduction in speed limit alongside the provision of pedestrian islands to provide “pause” places are needed. Educational-based programs may also help ensure safety of older adults where there is no designated crossing place.

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“…Among them, present studies can be divided into internal human factors and external environment by the differences in the purpose of the investigation. The internal human factors mainly consider the effects of age [ 3 ], gender [ 4 ], gap acceptance [ 5 , 6 ], mental effects [ 7 ], and crossing behavior selection as an individual or group of pedestrians [ 6 ]. External environment factors include built environment features [ 8 ], traffic conditions [ 9 ], the length of red-light time [ 10 ], time of the trip [ 11 ], social characteristics [ 12 ], and road crosswalk facilities [ 9 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

A Geographical and Temporal Risk Evaluation Method for Red-Light Violations by Pedestrians at Signalized Intersections: Analysis and Results of Suzhou, China

Xing

Zhang

Cheng

et al. 2022

IJERPH

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Red-light violations of pedestrians crossing at signal intersections is one of the key factors in pedestrian traffic accidents. Even though there are various studies on pedestrian behavior and pedestrian traffic conflicts, few focus on the risk of different crosswalks for the violating pedestrian group. Due to the spatio-temporal nature of violation risk, this study proposes a geographical and temporal risk evaluation method for pedestrian red-light violations, which combines actual survey and video acquisition. First, in the geographical-based risk evaluation, the pedestrian violation rate at signal intersections is investigated by Pearson correlation analysis to extract the significant influencing factors from traffic conditions, built environment, and crosswalk facilities. Second, in the temporal-based risk evaluation, the survival analysis method is developed to quantify the risk of pedestrian violation in different scenarios as time passes by. Finally, this study selects 16 typical signalized intersections in Suzhou, China, with 881 pedestrian crosswalk violations from a total size of 4586 pedestrians as survey cases. Results indicate that crossing distance, traffic volume on the crosswalk, red-light time, and crosswalk-type variables all contribute to the effect of pedestrian violation from a geographical perspective, and the installation of waiting refuge islands has the most significant impact. From the temporal perspective, the increases in red-light time, number of lanes, and traffic volume have a mitigating effect on the violations with pedestrian waiting time increases. This study aims to provide a development-oriented path by proposing an analytical framework that reconsiders geographical and temporal risk factors of violation. The findings could help transport planners understand the effect of pedestrian violation-related traffic risk and develop operational measures and crosswalk design schemes for controlling pedestrian violations occurring in local communities.

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The Crossing Speed of Elderly Pedestrians

Abstract: ABSTRACT

Cited by 5 publications

References 13 publications

Threshold Research on the Elderly Pedestrian Ratio in Pedestrian Crossing Speed Setting on Signalized Crosswalks in China

Threshold Research on the Elderly Pedestrian Ratio in Pedestrian Crossing Speed Setting on Signalized Crosswalks in China

Why Are Older Adults More at Risk as Pedestrians? A Systematic Review

A Geographical and Temporal Risk Evaluation Method for Red-Light Violations by Pedestrians at Signalized Intersections: Analysis and Results of Suzhou, China

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