[HN Gopher] Effects of Daylight Saving Time on Traffic Accident ...
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Effects of Daylight Saving Time on Traffic Accident Risk
Author : bookofjoe
Score : 20 points
Date : 2020-03-03 21:18 UTC (1 hours ago)
(HTM) web link (www.cell.com)
(TXT) w3m dump (www.cell.com)
| [deleted]
| northernjames wrote:
| Accident risk has been shown to decrease by the same amount when
| the time switches in the fall. It's a wash.
| J-dawg wrote:
| I thought that as well, but this study appears not to have
| found that
|
| > and there were no effects of the fall-back transition to
| Standard Time (ST) on MVA risk
|
| EDIT: It seems our assumption was correct, at least for the UK:
|
| > There is substantial evidence that fewer people would be
| killed and seriously injured on Great Britain's roads if this
| country were to put the clocks forward by one hour throughout
| the year. The Department should take the lead in re- examining
| the practice of changing clocks at the end of British Summer
| Time with other central Government departments.
|
| I wonder why the OP study (using US data) found something
| different?
|
| Source:
| https://publications.parliament.uk/pa/cm200809/cmselect/cmpu...
| Mountain_Skies wrote:
| Georgia is putting DST on the ballot this November. Voters will
| have a choice to stay with DST, going to standard time year
| around, or asking Congress for permission to stay on DST year
| around. My guess is none of the options will receive a majority
| vote but year around DST will get the plurality. Since that
| requires Congressional approval and the ballot referendum is non-
| binding, nothing will change as a result. Having discussed the
| issue over the years, it's also a bit sad realizing how people
| don't understand that this doesn't actually create an extra hour
| of sunlight, it just shifts an hour of pre-noon sunlight to be
| afternoon sunlight. A surprisingly large number of people are
| quite insistent that it creates more sunlight per day, citing
| longer daylight hours during the summer months as proof.
| mjevans wrote:
| Vote for no more adjustments, I don't care if that's UTC,
| nation wide 'Eastern', DST or not DST... just leave things the
| same all year. I've got a slight preference for everyone going
| UTC with no DST so that meetings and events are easier to
| schedule across the world.
|
| UTC would be great if it weren't for how everyone wants to
| think of E.G. 8AM or 9AM or whatever as a common start time and
| then uses DST to try and adjust the clocks rather than the
| times people do things.
|
| The current time isn't particularly useful either, noon isn't
| even directly tied to the solar apex in most places (due to the
| timezones and more complex orbit / tilt interactions).
| CamperBob2 wrote:
| Very hard to believe that more daylight later in the day is a net
| negative for traffic safety.
|
| In any case, the solution is to pick one timeframe and _stop
| changing it_.
| awb wrote:
| They think the increased risk is from circadian misalignment.
|
| > observed that spring DST significantly increased fatal MVA
| risk by 6%, which was more pronounced in the morning and in
| locations further west within a time zone. DST-associated MVA
| risk increased even in the afternoon hours, despite longer
| daylight hours. The MVA risk increase waned in the week
| subsequent to DST, and there were no effects of the fall-back
| transition to Standard Time (ST) on MVA risk, further
| supporting the hypothesis that DST-transition-associated,
| preventable circadian misalignment and sleep deprivation might
| underlie MVA risk increases.
| java-man wrote:
| It's not the amount of light, it's the abrupt change in the
| sleep pattern.
| CamperBob2 wrote:
| Exactly. It's the derivative that hoses you.
| izzydata wrote:
| Never changing it would only result in gradual changes of
| sleep pattern.
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(page generated 2020-03-03 23:00 UTC)