Page 219 - Proceeding of Atrans Young Researcher's Forum 2019_Neat

“Transportation for A Better Life:
Smart Mobility for Now and Then”

23 August 2019, Bangkok, Thailand

Among analytical methodologies, surveys enhancing walking and bicycling conditions by
on pedestrians are widely used to evaluate the slowing the speed of traffic and increasing visibility
pedestrian environment. The current qualitative of pedestrians, alerting the driver to potential
methodology, however, may have the downside of hazards or providing pedestrian sanctuary.
distorted responses related to satisfaction and
uneven measurement results resulting from 2.1.2 Segment traffic
respondents’ different experiences. To resolve the The Vehicle Traffic Domain measures
problems in current methodologies and quantitative factors that are predictive of exposure distance for
evaluation scores, quantifying the pedestrian pedestrian, conflict points, pedestrian injury severity
environment score using a Web-based GIS map, as and pedestrian mobility. Vehicle collisions
well as quantitatively evaluating the street involving pedestrians pose significant public health
environment for walking, is critical in the problems, especially in urban areas where the
construction of a pedestrianfriendly environment. numbers of vehicle-pedestrian conflicts are high.
The objective of this study is two-fold: (1) The number of motor vehicle lanes correlates with
develop a pedestrian environment evaluation traffic volume, posted speed limits, noise and air
scheme called Pedestrian Environment Quality pollution levels, pedestrian activity, and the levels of
Score (PEQS) that simplify pedestrian environment social capital reported in a neighborhood. A
elements depending on types of walking space with reduction in the number of lanes can reduce crossing
a quantitative index and (2) evaluate the pedestrian distances, thus reducing exposure of a pedestrian to
environment in Thu Dau Mot City based on the vehicle interaction.
developed method.
2.1.3 Street design
2. Development of a method for evaluating The street design parameter is an important factor
pedestrian environment for right of way and the local pedestrian
This study has measured distribution of the environment, and if well-constructed and
traffic facilities and amenities as well as connectivity maintained, it enables the safe walking of
of the pedestrian networks quantitatively in order to pedestrians. The width of a sidewalk is a primary
perform comprehensive evaluation of the pedestrian factor in determining the level of safety and comfort
environments. To design a pedestrian environment for pedestrians walking down the streets. A well-
score, quantifiable parameters such as mobility, maintained sidewalk is crucial to providing a safe
safety, convenience, pleasantness, and environment- pedestrian environment for pedestrians. Sidewalk
friendliness were organized. Following indicator obstructions can include out-of-place poles or signs,
were selected and they are viewed to have the parked cars, trees, and garbage cans. Curbs provide
potential to be used as score for the development of a physical separation between motor vehicles and
GIS. Indicators are listed in Table 1. pedestrians. Curbs discourage vehicles from parking
on the sidewalk. The more driveway cuts in a street
2.1 Pedestrian environment indicator segment, which break up the curb, the greater the
2.1.1 Intersection safety potential for vehicles to cause an obstruction to
Intersection safety parameters include the pedestrians and create a potential conflict point with
perception of a vehicle coming toward a pedestrian pedestrians. Aspects of the urban landscape
at a crosswalk, and crosswalk function is measured contribute to the overall walking experience. The
for mobility and accessibility. The absence of presence of public seating can encourage leisure
crosswalks can be a movement barrier for walks, especially for the elderly and disabled.
pedestrians and potentially contribute to conflicts
between pedestrians and motor vehicles. When 2.1.4 Land Use
signals are present, it is vital to allow enough time The convenient facility and land use parameter
for all pedestrians to cross the street. Short-signal includes commercial use and measures the aesthetic
crosswalk timers can be a movement barrier for aspect of streets. Mixed land use is related to there
pedestrians, and cause hazardous conditions if being a lot of pedestrian traffic and a small amount
pedestrians are still crossing when the signals of vehicle exhaust emissions. Providing a range of
changes. Traffic calming features are physical artistic and cultural amenities for pedestrians can
features that reduce the negative impact of motor create a visually interesting environment that attracts
vehicles use by slowing their speed, therefore pedestrians. Neighborhoods with diverse and mixed

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