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Author: National Transport Commission (Australia) Publisher: ISBN: Category : Speed limits Languages : en Pages :
Book Description
Speeding heavy vehicles1 have been a public concern for many years, primarily from a safety perspective. A recent survey found that speeding of heavy vehicles is ranked as the highest public concern about the road transport industry. Available data shows that speed is an important factor in heavy vehicle crashes. One estimate is that if all heavy vehicles comply with speed limits, there would be a 29 per cent reduction in crashes involving them.
Author: National Transport Commission (Australia) Publisher: ISBN: Category : Speed limits Languages : en Pages :
Book Description
Speeding heavy vehicles1 have been a public concern for many years, primarily from a safety perspective. A recent survey found that speeding of heavy vehicles is ranked as the highest public concern about the road transport industry. Available data shows that speed is an important factor in heavy vehicle crashes. One estimate is that if all heavy vehicles comply with speed limits, there would be a 29 per cent reduction in crashes involving them.
Author: David L. Harkey Publisher: ISBN: Category : Speed limits Languages : en Pages : 78
Book Description
The objectives of this study were to determine whether differential or uniform speed limits are more beneficial to transportation safety and traffic operations on Interstate highways. The approach to achieving this objective was to examine speed and accident data from States employing both types of limits. Speed data were collected in 12 States at rural and urban locations representing all speed limits currently established on the Interstate highway system for cars/trucks, i.e., 55/55 mi/h (89/89 km/h), 65/55 mi/h (105/89 km/h), 65/60 mi/h (105/97 km/h), and 65/65 mi/h (105/105 km/h). Accident data were obtained from nine States which were geographically distributed across the country and representative of all rural Interstate speed limits currently established. For the speed data collected, a number of measures of effectiveness (MOEs) were examined including mean speed, speed variance, compliance, and speed distribution measures. For the accident data collected, types of crashes were examined (e.g., rear-end) along with vehicle type involvement (e.g., car-into-truck) and crash severity. This final report summarizes the effects of uniform and differential speed limits on transportation safety and traffic operations as determined by the examination of speed and accident data.
Author: National Transport Commission (Australia)
Author: National Transport Commission (Australia)
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Author: Rod George
Author: David L. Harkey
Author: Commercial Vehicle Industry Association of Queensland, The
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Author: Robert Heacock