78 Downloads (Pure)

Resumé

In order to increase mobility and promote modal shift to walking, intersections in the city of Aarhus, Denmark have been equipped with intelligent management of green light for pedestrians. It allows adjustment of green time based on radar detection of the pedestrians in the crossing, meaning the green time for the pedestrians can be prolonged if required. The effect is examined in a before/after study of a two-stage pedestrian crossing with a centre refuge island in an intersection with four-lane roads. Data consists of answers from an on-site questionnaire including 72+53 persons and hours of video registration of the pedestrian crossing. The study includes the pedestrians’ experiences, the measured time of crossing and the share of pedestrians doing red-light walking. The analyses of video recordings are carried out with the video analysing software RUBA. The questionnaires show a general, more positive experience in the after registration than before, although only the change in share of respondents who rarely/never reach the refuge island before the light changes to red (from 42 to 68%) is statistically significant. Recorded red-light walking was significantly reduced from 44 to 16% walking from the refuge island, while it was unchanged 16% when walking to the island. The mean crossing time was reduced 5 and 6 seconds in- and outside the peak hour period, respectively. The reductions in mean time were not statistically significant.
OriginalsprogEngelsk
TidsskriftTransactions on Transport Sciences
Vol/bind9
Udgave nummer1
Sider (fra-til)33-40
DOI
StatusUdgivet - 2018

Fingerprint

Crosswalks
Video recording
Radar

Emneord

  • Traffic Safety
  • Red-light crossing
  • Video detection
  • Advanced traffic management

Citer dette

@article{c0a40301db5c4f9bb43c334a5ae8f7c2,
title = "Red light crossing, crossing time and attitudes to crossing with intelligent green light for pedestrians",
abstract = "In order to increase mobility and promote modal shift to walking, intersections in the city of Aarhus, Denmark, have been equipped with intelligent management of green light for pedestrians. This allows adjustment of green time based on radar detection of pedestrians in the crossing and prolongation of the green time for the pedestrians if required. The effect is examined in a before/after study of a two-stage pedestrian crossing with a centre refuge island in an intersection of four-lane roads. The data consists of responses from an on-site questionnaire including 72+53 individuals and 266+318 hours of video registration of the pedestrian crossing in the before and after study, respectively. The study includes the pedestrians' experiences, the measured time of crossing and the share of pedestrians crossing at red light. The analyses of video recordings are carried out with the video analysing software RUBA. The share of pedestrians who often or frequently only reached the refuge island before red light decreased from 42{\%} to 13{\%}. Video data show that the pedestrians reduced their crossing at red light from 44{\%} to 16{\%} in the remote lane, while the percentage remained virtually unchanged on the closest lane with 16{\%}. The mean crossing time was also reduced by 5 and 6 seconds in- and outside of the peak hour period, respectively. The reductions in mean crossing time were not statistically significant.",
keywords = "Traffic Safety, Red-light crossing, Video detection, Advanced traffic management, Traffic Safety, Red-light crossing, Video detection, Advanced traffic management",
author = "Rasmus {\O}hlenschl{\ae}ger and Charlotte T{\o}nning and Andersen, {Camilla Sloth} and Madsen, {Tanja Kidholm Osmann} and Lahrmann, {Harry Spaab{\ae}k} and Niels Agerholm",
year = "2018",
doi = "10.5507/tots.2018.003",
language = "English",
volume = "9",
pages = "33--40",
journal = "Transactions on Transport Sciences",
issn = "1802-9876",
publisher = "Palack{\'y} University in Olomouc",
number = "1",

}

TY - JOUR

T1 - Red light crossing, crossing time and attitudes to crossing with intelligent green light for pedestrians

AU - Øhlenschlæger, Rasmus

AU - Tønning, Charlotte

AU - Andersen, Camilla Sloth

AU - Madsen, Tanja Kidholm Osmann

AU - Lahrmann, Harry Spaabæk

AU - Agerholm, Niels

PY - 2018

Y1 - 2018

N2 - In order to increase mobility and promote modal shift to walking, intersections in the city of Aarhus, Denmark, have been equipped with intelligent management of green light for pedestrians. This allows adjustment of green time based on radar detection of pedestrians in the crossing and prolongation of the green time for the pedestrians if required. The effect is examined in a before/after study of a two-stage pedestrian crossing with a centre refuge island in an intersection of four-lane roads. The data consists of responses from an on-site questionnaire including 72+53 individuals and 266+318 hours of video registration of the pedestrian crossing in the before and after study, respectively. The study includes the pedestrians' experiences, the measured time of crossing and the share of pedestrians crossing at red light. The analyses of video recordings are carried out with the video analysing software RUBA. The share of pedestrians who often or frequently only reached the refuge island before red light decreased from 42% to 13%. Video data show that the pedestrians reduced their crossing at red light from 44% to 16% in the remote lane, while the percentage remained virtually unchanged on the closest lane with 16%. The mean crossing time was also reduced by 5 and 6 seconds in- and outside of the peak hour period, respectively. The reductions in mean crossing time were not statistically significant.

AB - In order to increase mobility and promote modal shift to walking, intersections in the city of Aarhus, Denmark, have been equipped with intelligent management of green light for pedestrians. This allows adjustment of green time based on radar detection of pedestrians in the crossing and prolongation of the green time for the pedestrians if required. The effect is examined in a before/after study of a two-stage pedestrian crossing with a centre refuge island in an intersection of four-lane roads. The data consists of responses from an on-site questionnaire including 72+53 individuals and 266+318 hours of video registration of the pedestrian crossing in the before and after study, respectively. The study includes the pedestrians' experiences, the measured time of crossing and the share of pedestrians crossing at red light. The analyses of video recordings are carried out with the video analysing software RUBA. The share of pedestrians who often or frequently only reached the refuge island before red light decreased from 42% to 13%. Video data show that the pedestrians reduced their crossing at red light from 44% to 16% in the remote lane, while the percentage remained virtually unchanged on the closest lane with 16%. The mean crossing time was also reduced by 5 and 6 seconds in- and outside of the peak hour period, respectively. The reductions in mean crossing time were not statistically significant.

KW - Traffic Safety

KW - Red-light crossing

KW - Video detection

KW - Advanced traffic management

KW - Traffic Safety

KW - Red-light crossing

KW - Video detection

KW - Advanced traffic management

U2 - 10.5507/tots.2018.003

DO - 10.5507/tots.2018.003

M3 - Journal article

VL - 9

SP - 33

EP - 40

JO - Transactions on Transport Sciences

JF - Transactions on Transport Sciences

SN - 1802-9876

IS - 1

ER -