Motor Vehicle Crashes in New Zealand 2011 - Ministry of Transport

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MOTOR VEHICLE CRASHES IN NEW ZEALAND 2011
OPEN ROAD CAR SPEEDS
In the survey of open road speeds of cars carried out in July and August 2011, approximately 13,000 cars were surveyed at 68
sites around the country.
The speed surveys are designed to monitor changes in free speeds of vehicles. That is, speeds attained when the vehicle is
unimpeded by the presence of other vehicles (i.e., there is some distance between a vehicle travelling at a free speed and the
vehicle in front of it) or by environmental features such as traffic lights, intersections, hills, corners or road works. By monitoring
the speeds of unimpeded vehicles these surveys measure driver choice of speed.
The regional surveys are designed to track changes over time in driver speed choice within regions. They are not designed to
provide valid comparisons between regions.
TABLE 5: MEAN OPEN ROAD SPEEDS (KM/H)
REGION 2005 2006 2007 2008 2009 2010 2011
Northland 95.9 96.0 95.0 96.3 95.8 96.0 95.5
Auckland 97.0 96.5 96.2 95.3 95.9 93.8 95.5
Waikato 96.2 96.6 95.2 94.6 94.6 94.8 93.7
Bay of Plenty 96.2 97.3 97.8 95.8 96.7 98.4 97.0
Gisborne 95.5 91.2 91.5 95.4 96.4 95.4 96.5
Hawke’s Bay 98.0 96.1 96.3 99.8 99.3 100.3 99.9
Taranaki 96.2 94.2 94.4 94.3 93.0 92.9 96.3
Manawatu-Whanganui 101.2 97.3 97.7 97.0 97.4 96.9 100.4
Wellington 96.6 92.1 93.2 94.0 95.6 94.4 94.7
Nelson-Marlborough - - - - - - *see note
West Coast - - - - - - *see note
Canterbury 99.1 100.2 99.3 98.5 98.9 98.3 100.7
Otago 98.0 97.3 99.8 100.9 99.7 98.8 99.5
Southland - *see note 99.4 100.1 99.9 99.3 93.4
New Zealand 97.1 96.4 96.3 96.6 96.3 96.2 96.5
TABLE 6: 85TH PERCENTILE OPEN ROAD SPEEDS (KM/H)
REGION 2005 2006 2007 2008 2009 2010 2011
Northland 105 104 102 104 103 104 103
Auckland 110 109 109 108 110 107 108
Waikato 102 102 101 101 100 100 99
Bay of Plenty 106 107 107 105 106 106 106
Gisborne 105 101 101 106 107 106 106
Hawke’s Bay 104 101 101 105 104 105 105
Taranaki 103 102 102 102 100 100 104
Manawatu-Whanganui 108 104 103 103 103 103 106
Wellington 105 101 102 102 104 102 102
Nelson-Marlborough - - - - - - *see note
West Coast - - - - - - *see note
Canterbury 104 105 104 103 103 102 104
Otago 104 104 105 105 104 103 104
Southland - *see note 105 106 105 105 99
New Zealand 104 103 103 103 103 103 103
85th percentile speed means 15 percent of the vehicles surveyed were travelling faster than this speed.
* NOTE: Too few sites in this area to provide regional estimates.