556 research outputs found
Pedestrian Traffic Fatalities by State: 2016 Preliminary Data
The present study, based on preliminary data from all states and the District of Columbia (DC) for the first six months of 2016, found an increase of seven percent in the reported number of fatalities compared with the first six months of 2015. More than twice as many states had increases (34) than had decreases (15 plus DC) compared with 2015.After adjusting for anticipated underreporting in the preliminary state data, GHSA estimates the number of pedestrians killed in 2016 increased by 11 percent compared with 2015. This was the largest annual increase in both the number and percentage of pedestrian fatalities in the 40 years that national records have been kept, with the second largest increase occurring in 2015. In addition, pedestrian deaths as a percent of total motor vehicle crash deaths have increased steadily, from 11 percent in 2006 to 15 percent in 2015.The number of nationwide pedestrian fatalities for all of 2016 was estimated based on preliminary data provided by State Highway Safety Offices (SHSOs) for the first six months of 2016, taking into account historic data regarding the relative proportions of pedestrian fatalities that occurred in the first and second halves of the year. About 6,000 pedestrian fatalities are estimated to have occurred in 2016, which could make 2016 the first year in more than two decades with more than 6,000 pedestrain deaths
Pedestrian Traffic Fatalities by State: 2015 Preliminary Data
The number of pedestrian fatalities in the United States increased 19 percent from 2009 to 2014, a period in which total traffic deaths decreased by about 4 percent. In fact, pedestrians now account for the largest proportion of traffic fatalities recorded in the past 25 years. Earlier studies by the Governors Highway Safety Association (GHSA), based on preliminary data reported by State Highway Safety Offices (SHSOs), were the first to predict recent increases in pedestrian fatalities.The present study, based on preliminary data from all states and the District of Columbia (DC) for the first six months of 2015, found an increase of 6 percent in the reported number of fatalities compared with the first six months of 2014. After adjusting for anticipated underreporting in the preliminary state data, GHSA estimates there has been a 10 percent increase in the number of pedestrians killed in 2015 compared with 2014. In addition, pedestrian deaths as a percent of total motor vehicle crash deaths have increased steadily from 11 percent in 2005-2007 to 15 percent in 2014. It has been 25 years (1990) since pedestrians accounted for 15 percent of total traffic fatalities. Preliminary data indicate that pedestrians will represent about 15 percent of total fatalities again in 2015
Da Vinci Fluids, catch-up dynamics and dense granular flow
We introduce and study a da Vinci Fluid, a fluid whose dissipation is
dominated by solid friction. We analyse the flow rheology of a discrete model
and then coarse-grain it to the continuum. We find that the model gives rise to
behaviour that is characteristic of dense granular fluids. In particular, it
leads to plug flow. We analyse the nucleation mechanism of plugs and their
development. We find that plug boundaries generically expand and we calculate
the growth rate of plug regions. In systems whose internal effective friction
coefficient is relatively uniform we find that the linear size of plug regions
grows as (time). The suitability of the model to granular materials is
discussed.Comment: 5 pages, 3 figures, edited for clarifications and added reference
Everyone In Town Likes Mary
https://digitalcommons.library.umaine.edu/mmb-vp/1388/thumbnail.jp
I\u27m On A Long Long Ramble : Over There I\u27ll Be Rambling With You
https://digitalcommons.library.umaine.edu/mmb-vp/4656/thumbnail.jp
When The Girls Grow Older, They Grow A Little Bolder : They Never Let A Thing Get By
https://digitalcommons.library.umaine.edu/mmb-vp/2717/thumbnail.jp
Rock-a-Bye Your Baby with a Dixie Melody
https://digitalcommons.library.umaine.edu/mmb-vp/6122/thumbnail.jp
Hello Central! Give me No Man\u27s Land
https://digitalcommons.library.umaine.edu/mmb-vp/6067/thumbnail.jp
- …