JT00127539 Document complet disponible sur OLIS dans son format d'origine Complete document available on OLIS in its original format CEMT/CM(2002)11/FINAL 2 Although still far from satisfactory, more progress has been made on road safety on motorways and urban roads over the past 20 years than on country roads. Rural roads are defined as roads outside urban areas that are not motorways or unpav...

The Urban population is growing so fast in India that planning officials are racing to keep up with urban development .Use of geographic information like satellite imagery helps urban planners manage the ever-changing urban environment accurately and efficiently. Roads are one of the most important features to be extracted from Satellite imagery for urban planning. Manual extraction of roads is...

In large urban areas, until recently, people used to choose a route having in mind the general, high-level mental map of the urban traffic network. With the dissemination of the use of navigation devices such as GPS, all roads may now be part of a path. Therefore two questions arise, that are related to the performance of the traffic network as a whole, and to the effects of the use of these na...

BACKGROUND Urban birth or upbringing increase schizophrenia risk. Though unknown, the causes of these urban-rural differences have been hypothesized to include, e.g., infections, diet, toxic exposures, social class, or an artefact due to selective migration. METHODS We investigated the hypothesis that traffic related exposures affect schizophrenia risk and that this potential effect is respon...

PURPOSE Despite increasing evidence that the physical environment impacts on physical activity among urban-dwellers, little attention has been devoted to understanding this relationship in rural populations. Work in this area is further hindered by a lack of environmental measures specifically designed for rural settings. This qualitative study aimed to explore the salience of urban physical ac...