UNECE.
Economic and Social Council.
10 January 2001
TRANS/WP.1/2001/17
REVISION OF THE CONSOLIDATED
RESOLUTIONS ON ROAD TRAFFIC
(R.E.1) AND ON ROAD SIGNS
AND SIGNALS (R.E.2)
Daytime running lights,
Transmitted by Denmark
2001/17 - (Denmark) Daytime
running lights.
In
Denmark the use of Daytime
Running Lights has been
compulsory since 1 October
1990. The
effect has previously been
evaluated in a before- and
after-study based on an
after period of five quarters.
At that time (1993)
the total safety effect
was estimated to about 125
accidents per year.
Now the evaluation has been
repeated, including an after-period
of 11 quarters.
In the analysis accidents
have been divided into four
groups:
Accidents
involving motor vehicles:
A significant safety
effect is found in one situation:
Left turn in front of an
oncoming vehicle. The result
is practically unchanged
compared with the first
evaluation.
Accidents
involving cyclists: A
positive tendency is found.
This result only differs
slightly from the first
evaluation.
Accidents
involving pedestrians: A
significant negative effect
is found. The result is
surprising, as these accidents
were found unaffected in
the analysis based on 5
afterquarters.
No specific reason for the
increase has been identified,
but no other explanations
than the Daytime Running
Lights can be pointed out.
Accidents
involving motorcycles: As
in the first evaluation,
a tendency to a negative
effect is found. The result
was anticipated, as already
from 1977 Daytime Running
Lights have been compulsory
for motorcycles during daytime.
The
safety effect of Daytime
Running Lights is now considered
to be somewhat smaller than
after the first analysis,
but still
the total effect is positive.
(Danish Council of Road
Safety Research report 1/95)
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(www.unece.org)
UNECE-
Transport Division.
ROAD TRAFFIC SAFETY (www.unece.org/trans/)
UNECE-
Working Party on Road Traffic
Safety (WP.1).
(www.unece.org/trans/)
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