Effects of variable message signs for slippery road conditions on driving speed and headways

Rämä, Pirkko; Kulmala, Risto

doi:10.1016/s1369-8478(00)00018-8

Cited by 79 publications

(25 citation statements)

References 2 publications

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“…Research into the influence of adverse driving condition information displayed on VMS found some messages resulted in reduced driving speeds for relatively short distances after the display, but they were dependent on the content of the display, the conspicuity of the sign and the 'novelty value' of new message types being trialled (Luoma et al 2000;Rämä and Kulmala 2000). The safetycritical issue of the effects of messages signs on driver speed has also been highlighted in research by Bai et al (2010) in their study on the effectiveness of text-based message signs compared to traffic signs in reducing speed in road work zones.…”

Section: Impact Of Vms On Driver Behaviourmentioning

confidence: 99%

Journey decision making: the influence on drivers of dynamic information presented on variable message signs

et al. 2015

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In many highways environments electronic media such as variable message signs are increasingly being used to provide drivers with up-to-date dynamic information in order to influence driving decision making during journeys. These decisions may be associated with strategic choices, such as route selection, or tactical decisions, such as driving at a certain speed, or altering driving style. This paper presents a study that used two methods-a scenario approach and a medium-fidelity driving simulator. Data from both methods are presented here and include decision making and driving performance data. These data provide an insight into the role of information and other contextual influences in decision making in the driving context specifically, but also has useful implications for the way in which information should be designed in other decision making contexts, such as travel using public transport, or supporting real-time complex control operations. The use of multiple data collection approaches also enabled data comparisons to be made, thus improving overall confidence in conclusions. The paper highlights the role of familiarity with information wording and context, level of detail, interpreted meaning, previous experience and contextual cues on trust in information and consequently behaviour in response to the information presented.

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Section: Impact Of Vms On Driver Behaviourmentioning

confidence: 99%

Journey decision making: the influence on drivers of dynamic information presented on variable message signs

et al. 2015

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“…The majority of studies on VMS focus on rates of compliance, either by using surveys or via observational studies (see Bonsall et al 1999 for an overview). Some behavioural work has also been carried out, for example Rämä et al (2000) found that VMS warning signs reduced the mean speed on slippery roads by 1-2 km/h. Other research on VMS has concentrated on legibility criteria in terms of character luminance (Kerr et al 1987, Padmos et al 1987, Colomb et al 1991, Upchurch et al 1992, Ullman et al 2001.…”

Section: The Use Of Variable Message Signsmentioning

confidence: 99%

Evaluating the effects of bilingual traffic signs on driver performance and safety

Jamson

Tate²,

Jamson

2005

Ergonomics

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Variable Message Signs (VMS) can provide immediate and relevant information to road users and bilingual VMS can provide great flexibility in countries where a significant proportion of the population speak an alternative language to the majority. The study reported here evaluates the effect of various bilingual VMS configurations on driver behaviour and safety. The aim of the study was to determine whether or not the visual distraction associated with bilingual VMS signs of different configurations (length, complexity) impacted on driving performance. A driving simulator was used to allow full control over the scenarios, road environment and sign configuration and both longitudinal and lateral driver performance was assessed. Drivers were able to read one and two-line monolingual signs and two-line bilingual signs without disruption to their driving behaviour. However, drivers significantly reduced their speed in order to read four-line monolingual and four-line bilingual signs, accompanied by an increase in headway to the vehicle in front. This implies that drivers are possibly reading the irrelevant text on the bilingual sign and various methods for reducing this effect are discussed.

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“…This suggests that drivers modify their behavior in such conditions. A few studies have shown that weather conditions affect driver behavior significantly [22][23][24][25][26][27][28]. Kilpeläinen and Summala [27] concluded that driver behavior is predominantly affected by the prevailing observable conditions.…”

Section: Literature Reviewmentioning

confidence: 99%

Using microscopic video data measures for driver behavior analysis during adverse winter weather: opportunities and challenges

Zangenehpour

St-Aubin

et al. 2015

J. Mod. Transport.

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This paper presents a driver behavior analysis using microscopic video data measures including vehicle speed, lane-changing ratio, and time to collision. An analytical framework was developed to evaluate the effect of adverse winter weather conditions on highway driving behavior based on automated (computer) and manual methods. The research was conducted through two case studies. The first case study was conducted to evaluate the feasibility of applying an automated approach to extracting driver behavior data based on 15 video recordings obtained in the winter 2013 at three different locations on the Don Valley Parkway in Toronto, Canada. A comparison was made between the automated approach and manual approach, and issues in collecting data using the automated approach under winter conditions were identified. The second case study was based on high quality data collected in the winter 2014, at a location on Highway 25 in Montreal, Canada. The results demonstrate the effectiveness of the automated analytical framework in analyzing driver behavior, as well as evaluating the impact of adverse winter weather conditions on driver behavior. This approach could be applied to evaluate winter maintenance strategies and crash risk on highways during adverse winter weather conditions.

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Effects of variable message signs for slippery road conditions on driving speed and headways

Cited by 79 publications

References 2 publications

Journey decision making: the influence on drivers of dynamic information presented on variable message signs

Journey decision making: the influence on drivers of dynamic information presented on variable message signs

Evaluating the effects of bilingual traffic signs on driver performance and safety

Using microscopic video data measures for driver behavior analysis during adverse winter weather: opportunities and challenges

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