a total of 38, 300 traffic collisions have occurred in tehran, the capital of iran, during 1973. 5, 655 of these collisions in 6, 700 injuries and 560 deaths are selected and discussed. there has been no difference between the accident rates in working and holidays. winter has had the lowest rate, and accidents have been in direct relationship with the crowdedness and heavy traffic periods. nin...

the police are competent and always present contact persons who have direct knowledge and experience and act as role models in the area of road traffic. one of the focuses of police work is to increase tolerance and consideration, especially for more vulnerable road users. the priorities of the police are geared at emphasizing how relevant and appropriate the decisions made by road traffic auth...

short-term traffic flow forecasting plays a significant role in the intelligent transportation systems (its), especially for the traffic signal control and the transportation planning research. two mainly problems restrict the forecasting of urban freeway traffic parameters. one is the freeway traffic changes non-regularly under the heterogeneous traffic conditions, and the other is the success...

today, the number of drivers and traffic users is increasing. so, it is necessary to know that the human factor has the most important factor in the traffic. thus, any behavior change or fault that arises from human factor (for example drivers) can have inappropriate impacts on the traffic. so, it is important that traffic users be trained about the effectiveness and attention to the traffic si...

Background and Purpose—Several studies have shown that hyperinsulinemia is associated with the risk of coronary heart disease, but information on the association of hyperinsulinemia with the risk of stroke is limited. We investigated the association of hyperinsulinemia with the risk of stroke during a 22-year follow-up of the Helsinki Policemen Study population. Methods—The study was based on a...