Intersections constitute one of the most dangerous elements in road systems. Traffic signals remain the most common way to control traffic at high-volume intersections and offer many opportunities to apply intelligent transportation systems to make traffic more efficient and safe. This paper describes an automated method to estimate the temporal exposure of road users crossing the conflict zone...

Almost all locomotor animals respond to visual looming or to discrete changes in optical size. The need to detect and process looming remains critically important for humans in everyday life. Road traffic statistics confirm that children up to 15 years old are overrepresented in pedestrian casualties. We demonstrate that, for a given pedestrian crossing time, vehicles traveling faster loom less...

Almost all locomotor animals respond to visual looming or to discrete changes in optical size. The need to detect and process looming remains critically important for humans in everyday life. Road traffic statistics confirm that children up to 15 years old are overrepresented in pedestrian casualties. We demonstrate that, for a given pedestrian crossing time, vehicles traveling faster loom less...

1.1 Variables The independent variables are x , t : the length along the road and time. The main dependent variables are ρ ,Q : the car density and flux: number of cars per unit length of the road, and number of cars crossing a section per unit time; and U : the mean car velocity. The three dependent variables are related by the identity Q = ρU , (1) which follows from the following considerati...

The Padma Multipurpose Bridge Design Project comprises a new fixed crossing of the Padma River in Bangladesh, which will consist of a new main bridge approximately 6.15km long with spans crossing the Padma River. Viaduct spans on both sides of the Padma River support both the highway and railway traffic and lead this traffic onto the upper and lower levels of the main bridge. The length of the ...

road traffic accidents (rta) are one of the most important causes of death and disability all over the world. in developing countries the problem is more complicated. based on the estimation by unicef, rate of rta in iran is 20 times more than world’s average. in iran among all unintentional fatal injuries inflicted on children under five, traffic related fatalities are the leading cause of dea...

How do road users decide whether or not they have enough time to cross a multiple-lane street with multiple approaching vehicles? Temporal judgments have been investigated for single cars approaching an intersection; however, close to nothing is known about how street crossing decisions are being made when several vehicles are simultaneously approaching in two adjacent lanes. This task is relat...

Pedestrians are the most vulnerable road users. For evaluating and modifying pedestrian safety in unsignalized crosswalks,the first important issue is to identify and explore factors affecting the interaction behavior of pedestrians andvehicles in conflict areas. By analyzing those factors and determining how they affect road user's behavior, we canrepresent the plans and proc...

This study was designed to investigate how drivers assess safety issues at passive railway-road level crossings. The study was limited to traditional and relatively inexpensive safety measures. Fifty-six car and van drivers were interviewed after passive level crossings with low traffic volume. Both key requirements of safe behaviour (i.e. decrease of speed and looking for trains) were indicate...

Traffic accident is increased from time to time in alarming rate and it is a serious problem throughout the globe, particularly, in developing countries like Ethiopia. In this study our aim was to identify the major factors that affect the occurrence of traffic accidents at Bahir Dar city, North Western Ethiopia. The drivers were selected using simple random sampling methods and descriptive sta...