Police Forum Police Head Mod: Skidmark
Questions & info about the Motor Vehicle Act. Mature discussion only. |
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11-19-2010, 05:34 AM
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#26 | | RS Peace Officer
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It also states that raising the limits resulted in more crashes and lowering them reduced the crashes. They say in so many words that the info from BC was not enough to make reliable conclusions, but the studies done everywhere else in the world they looked, concluded that raising the linits was not a good thing.
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11-19-2010, 08:05 AM
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#27 | | I subscribe to Revscene
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Originally Posted by zulutango  It also states that raising the limits resulted in more crashes and lowering them reduced the crashes. They say in so many words that the info from BC was not enough to make reliable conclusions, but the studies done everywhere else in the world they looked, concluded that raising the linits was not a good thing. | er.. Quote:
Effects on Crashes
A before and after with control group analysis of crashes reported on highway segments where speed limits were raised during the years 1997 and 1998 was conducted. The paired comparison ratio method was used to estimate the overall effect of the speed limit change using a weighted average log odds ratio based upon the individual log odds ratios of the crash counts at the individual treatment segments.[11]
The results of the analysis are shown in Table 8 for the Phase I sites and in Table 9 for the Phase II sites. Based on the analysis, it appears that raising the limit from 90 km/h to 100 km/h resulted in a 12.9 percent reduction in crashes at the sites where speed limits were raised. The Phase II sites experienced an 8.6 percent reduction in total crashes. Both reductions are
statistically significant.
The reduction in total crashes at the test sites in British Columbia did not follow the same trends found in most other crash investigations. As a means of comparison, shown in Table 10 is a summary of the effects of lowering speed limits on crashes. The effects of raising speed limits are shown in Table 11. In general in other countries, studies of the effects of raising speed limits generally indicate that vehicle speeds and crashes increase, but much of the data is from freeways in the United States and much of the crash data is for fatal crashes. Due to the relative low number of fatal crashes in British Columbia during the study periods, only total crashes were considered in the analysis.
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11-19-2010, 08:17 AM
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#28 | | RS Peace Officer
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Originally Posted by sebberry er.. | My emphasis...
The reduction in total crashes at the test sites in British Columbia did not follow the same trends found in most other crash investigations. As a means of comparison, shown in Table 10 is a summary of the effects of lowering speed limits on crashes. The effects of raising speed limits are shown in Table 11. In general in other countries, studies of the effects of raising speed limits generally indicate that vehicle speeds and crashes increase, but much of the data is from freeways in the United States and much of the crash data is for fatal crashes. Due to the relative low number of fatal crashes in British Columbia during the study periods, only total crashes were considered in the analysis. | |
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11-19-2010, 08:26 AM
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#29 | | I subscribe to Revscene
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Exactly. Some times things happen in ways they weren't expected.
That is why it is so important to set limits based on local conditions, not simply follow the "speed kills" status quo and under-post the limits.
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11-20-2010, 08:53 AM
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#30 | | RS Peace Officer
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Uh...not exactly...it says that the BC study vs rest of the world...."only total crashes (in BC) were considered"....apples vs oranges.
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11-20-2010, 09:06 AM
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#31 | | I subscribe to Revscene
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I'm not sure what you're getting at. The police usually take the position of "anything to reduce crashes", yet you're disagreeing with the report that says "raising the limit from 90 km/h to 100 km/h resulted in a 12.9 percent reduction in crashes"
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11-20-2010, 06:20 PM
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#32 | | Rs has made me the man i am today!
Join Date: Feb 2002 Location: Burnaby
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dang... I'm sorry to hear you got impounded. The new laws are pretty rediculous!
At the end of the day, this will probably cost you more with the added points to your license for a grand total of $1900 ish... if you win your $45 dispute, then $1855ish. We are all guilty w/ no chance to prove innocence. Judge Dredd anyone?
break down:
$483 ticket
$80 tow
$140 for storage
$300/year for points on license
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