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The Plimmerton to Paremata Upgrade is
aimed at improving traffic flow by helping to ease the
serious peak-hour congestion along this section of SH1
caused by vehicles having to merge at the Paremata roundabout
and Plimmerton Weigh Station.
It also aims to improve safety for motorists, pedestrians
and local residents, who find it increasingly difficult
to access SH1 from driveways and side roads.
The main features of the project are :
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Building a new, duplicate bridge at Paremata. This
will be two-laned and used by northbound traffic.
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Modifying the Paremata roundabout.
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Adding a feeder SH58 roundabout at Paremata.
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Widening the 800m-long section of highway, from
just north of James Street in Plimmerton to the
vicinity of the Plimmerton Weigh Station, to four
lanes – two each way with a wire rope median barrier
to separate traffic. A new roundabout north of Plimmerton
is also being constructed to give better access
to side roads.
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Widening the highway from south of James Street
to the Paremata Bridge to provide for the new transit
lanes and clearways. Transit lanes will allow peak
hour access for vehicles carrying two or more people,
cyclists and motorcyclists, within specified hours
of operation, to improve traffic flow and ease congestion.
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Installing five sets of traffic signals along St
Andrews Road and Mana Esplanade.
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Providing four lanes north of Acheron Road to SH1
Rural Section.
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Improving cycle and pedestrian facilities.
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