A review of effectiveness of speed reducing devices with focus on developing countries

The heterogeneous traffic conditions in India is making things more complicated urban areas. Traffic accidents are increasing at an alarming rate due to the rapid growth of motor vehicles past few years. number drop only sites where speed restriction techniques implemented for different vehicle categories, especially locations like approaches level crossings, negotiation points sharp curves, towards intersections, accident prone locations, residential streets, streets closures schools and hospitals etc. In developing countries India, humps bumps primarily used as reducing devices both rural areas, which not case developed on private grounds mainly roads effectiveness reviewed this study elaborate best practices recognise gaps research set up scopes future area. literature review revealed that most have faulty geometrical dimensions when compared codal provisions leading problems among road users. Though traditionally known reduce increase safety, they too disadvantages like, travel time, operating cost, decrease capacity undesirable experience drivers passengers. Rumble strips safety either side a pedestrian crosswalks option be further explored. Finally, view Indian conditions, it observed guidelines concerning design IRC 99-2018 compatible with practice. Therefore, there imperial need frame new type roads.