Www.SaveKapiti.co.nz Sandhills Expressway Four to six lane motorway Crossover or Interchange June...

www.SaveKapiti.co.nz

Sandhills ExpresswayFour to six lane motorway

Crossover or InterchangeJune 2010


Cross-over or Interchange• Ground level round-about (at grade)

– Like Otaki -> Not an option– Open interchange –> high number of affected properties

• Underpass (tunnel)– Expressway at ground level – Local Road underpass– Not an option –> water table (eg Wiamea stream)

• Bridge - Crossover or Interchange ?– Local Road over Expressway– Expressway over Local Road


TWO lane WLR built in stages

Bridge over the Waikanae

Ground level

interchanges


Four lane Sandhills Expressway

Bridge over the Waikanae

Bridge -

Crossover


Local Road - now


Crossover - Alternatives

Crossover

No access

InterchangeMinimalFootprint

At gradeInterchange

Local Road over Expressway


Local Road – Crossover


Expressway

Local Road

14 m

9 m

8 m

5 m

0 m




Expressway

Local Road



5`+ meters of bundingLocal Road over Expressway

8 meters at crossover

Expressway

Local Road


Expressway – Crossover

Expressway over Local Road

14 m

9 m

8 m

5 m

0 m


Expressway – Crossover


14 m

9 m

8 m

5 m

0 m

Expressway

Local Road


Local Road – IntersectionExpressway

Local Road



Expressway – Intersection



Construction noise and pollution

Seven years of blight


The wetlands

A lifestyle change for the worse


Big box development

A future of construction noise and disruption


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Www.SaveKapiti.co.nz Sandhills Expressway Four to six lane motorway Crossover or Interchange June...

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