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Kenepuru Corridor improvements

We're improving Kenepuru Drive and its connecting roads to make it easier and safer for vehicles, pedestrians and cyclists.


Porirua City is growing, and we're doing a lot of work to improve the Kenepuru Corridor to manage the increased traffic that will follow the opening of Transmission Gully and other growth projects.

On this page you'll be able to find out what's going on and what's planned.

If you have any questions or would like to receive our updates please email kenepurucorridor@poriruacity.govt.nz

The latest project updates


Kenepuru Drive Roundabout / Bluff Road Closure

**Due to bad weather the diversion and road closure has been delayed until Wednesday night **

Kenepuru Drive/Bluff Road Closure: Sunday 30 May 2021 - for approximately six weeks.

From the evening of Sunday 30 May 2021, traffic will be diverted to the west side of Kenepuru Drive and Bluff Road will be closed at the intersection with Kenepuru Drive – for around six weeks.

Download the Information here


Kenepuru Station Access

The access to Kenepuru Station has been transformed, with improved lighting, resurfacing, vegetation improvements around Porirua Stream, removal of trip hazards and the installation of art work. You might like to check it out sometime. Greater Wellington Regional Council are also planning to put in ‘Train Replacement’ LED signs at the Kenepuru Drive entrance to the station by the end June 2021.

Kenepuru Drive/ Raiha Roundabout

Monitoring of the recently completed roundabout including considering stakeholder feedback is being done in two stages: Stage 1 - prior to Transmission Gully opening, Stage 2 – after Transmission Gully opens. The Stage 1 monitoring is underway and initial results have highlighted that some changes are required. The proposed changes will be confirmed and put in place before the end of June 2021, after analysis of traffic surveys from February 2021 and post construction safety audit recommendations due in March 2021.

Kenepuru Station to Bluff Road

Shared Path The contract to construct the Shared Path has been awarded to Downer with construction scheduled to begin this month.

Kenepuru Corridor Package 1 – Construction Tender

Tenders for the construction of physical works at several sites (Main Rd/ Wall Pl int; Raiha St/ Prosser St int; Raiha St/ Broken Hill Rd int and a cycle crossing point on Kenepuru Drive) will close on 12 March 2021 with construction scheduled to begin in April.

Kenepuru Drive/ Ambulance Drive intersection upgrade

On 15 December 2020 an information meeting was held, focusing on plans to install a roundabout at the intersection of Kenepuru Drive and Ambulance Drive. The roundabout will give motorists on the eastern side of Kenepuru Drive – who have difficulty turning right during busy periods towards the Kenepuru Dr/ TG Link Road roundabout – the option of turning left and undertaking a u-turn at the roundabout. The upgrade will also improve pedestrian access across Kenepuru Drive, including a zebra crossing.

The design of the roundabout has commenced and incorporates feedback from the information evening.

Kenepuru Drive culvert

As a reminder the Kenepuru Drive Culvert immediately north of Ambulance Drive was reassessed in 2018 and 2019 concluding that the culvert is capable of carrying HN-HO-72 and HPMV traffic loading without restriction.

Kenepuru Drive/ Transmission Gully Link Road

Nightworks are underway on Kenepuru Drive in preparation for the construction of a new two-lane roundabout, part of the Transmission Gully project’s Kenepuru Interchange. Once Transmission Gully opens, Kenepuru Link Road will take traffic to and from the new motorway and connect with Kenepuru Drive at the new roundabout, located near North City 10-Pin. We will maintain two lanes of traffic flow through the worksite on Kenepuru Drive during peak times.

Please be aware that traffic will be under ‘stop/go’ traffic management at times during the night. Bluff Road will need to close for 6-7 weeks from the end of April, with no right turns in and out during the staging of works. No access is available by Lower Main Drive. A diversion will be available from Raiha Street and Hospital Drive Parking will also be removed in front of ESR, the Institute of Environmental Science and Research. The footpath on the western side will still be available to pedestrians, but it will be a congested work site, so caution is advised. Work is scheduled for completion in September.

We will keep you updated as works progress. Please contact 0800 TGINFO (0800 844636) or info@tg.co.nz for any questions.

Variable Message Signs

In preparation for the opening of Transmission Gully, electronic signs have been installed on Kenepuru Drive on the approach to the Kenepuru Drive/ Transmission Gully Link Road roundabout. When the Transmission Gully Link Road opens, the signs will display key destinations and the estimated time it takes to reach them. Travel information is updated regularly as traffic conditions change.

Feedback

We would appreciate any feedback via kenepurucorridor@pcc.govt.nz


Download the Kenepuru Corridor plan here.


Kenepuru Drive Shared Path (Kenepuru Station Access to Bluff Road)

We are pleased to announce that the contract for the construction of the shared path has been awarded to Downer, with work scheduled to begin in September 2020. Construction will occur during the day with completion scheduled for November 2020, weather permitting.

Parking restrictions in front of ESR

While the shared path is being built there will be less parking available on the street in front of ESR, as we will have temporary traffic management measures in place to enable the construction to be completed safely and efficiently.

As a heads up, following completion of the shared path, permanent parking restrictions are likely to be put in place in front of ESR to increase visibility and make it safer for pedestrians using the crossing point south of Bluff Road. The extent of these restrictions will be confirmed once details become available.


August 2020

Kenepuru Drive/Raiha Street roundabout

We are pleased to announce that the contract for construction of the roundabout has been awarded to Downer, with work scheduled to begin in September 2020. The majority of construction will occur at night with completion in November 2020, weather permitting. All road users will need to take care while work is underway, and temporary traffic management will be in place.

Kenepuru Corridor Package 1

Design work is underway on the following projects with construction scheduled to begin in the first half of 2021:

  • Raiha Street/Broken Hill Road intersection
  • Raiha Street/Prosser Street intersection
  • Main Road/Wall Place intersection
  • Kenepuru Drive Cycle Crossing Point (approximately 100m south of Flooring Xtra)


Kenepuru Drive Temporary Crossing

We’re installing a temporary crossing point on Kenepuru Drive, to help people get safely across the busy road.

The crossing will be put in place this week near the intersection with Bluff Road. Work should only take a day or two.

There are other improvements in the pipeline for pedestrians and cyclists, but with lots of new people moving into the area we want to get this crossing point in place now, to help keep residents and workers safe.

It will also connect with the improved access to the Kenepuru Railway Station which has been resurfaced and had new lighting installed.


Covid-19 update

As previously advised in Kenepuru Corridor Update#7, to help prevent the spread of COVID-19 the Information Evening scheduled for 1 April 2020 at the Kapi-Mana Darts Hall between 5 and 6pm was cancelled.

Our priority is everyone’s health and wellbeing and we are following Government guidelines, and as a result we are seeking feedback from Stakeholders on the recommended option using the web-page that has been set up for this project.

The recommended option has considered the feedback from the December 2019 Stakeholder meeting for each of the following intersections including a new project (Kenepuru Drive Cycle Crossing Point) noting that we have had to balance at times the competing needs from different road users:


We have three projects in the pipeline that we'd like your feedback on. Click on the links below to find out more about each, and let us know what you think.


Traffic Management - Kenepuru Drive

We’re working with CPB HEB to connect Kenepuru Drive to the new Transmission Gully roundabout. This means creating safe working areas by separating traffic and pedestrians from the work site.

From Monday 7 October cones and barriers will be placed on Kenepuru Drive between Porirua Autocrash Repairs and just north of North City 10 Pin Bowling – narrowing and pushing both lanes of Kenepuru Drive to the west. This set up will remain in place for around six weeks. Later in November the cones and barriers will be moved to push traffic to the east.

Pedestrian access will be maintained throughout but please take extra care and observe all diversion signs if walking through this area. Cyclists can continue to use Kenepuru Drive.

Outside of peak travel times occasional stop/go traffic management and associated speed restrictions will be in place. At all other times the speed limit will remain at 50km/h throughout these works however, please plan for potential delays, take extra care and allow a little extra time for your journey.

We apologise in advance for any disturbance, but Transmission Gully is on the home run! Thank you for your patience and understanding. If you have any questions please do not hesitate to call CPB HEB's project freephone on 0800 84 4636 (0800 TG INFO) or email info@tg.co.nz

You can also sign up at info@tg.co.nz for regular email updates.

kenepuru drive TG interchange transport management graphic


Kenepuru Station access, crossing point & shared path

We’re planning a shared path for walkers and cyclists, with access from Kenepuru Station and an improved safe crossing point across Kenepuru Drive.

This is important because of growth in this area, including Kenepuru Landing and Summerset retirement village.

The initial concept showed a shared path on the eastern side of Kenepuru Drive, but your feedback, and safety considerations, suggested that the western side would be more suitable.

Based on that, we’ve developed this new concept.

Kenepuru Station crossing  point shared path


Kenepuru Corridor plan - overview

A number of transport studies have been carried out in the Kenepuru area to work out what improvements are needed to make it easier and safer for vehicles, pedestrians and cyclists to safely access businesses, Kenepuru Landing, Summerset Retirement Village and the city centre, as well as prepare for an increase in traffic expected following the opening of Transmission Gully.

The Kenepuru Drive / Raiha St temporary roundabout has been completed while other projects that need to be finished before Transmission Gully opens are underway.

Once Transmission Gully opens we will monitor what happens along Kenepuru Drive, Raiha and Prosser Streets, and Titahi Bay Road, and will make further changes if these are needed to improve accessibility and safety.

Download the latest plan to fine out what’s been achieved, what’s underway and what’s planned.


Kenepuru Drive/Raiha Street roundabout project

We are monitoring this temporary roundabout, which was completed in March 2021.

The key requirements of the project is to:

  • Address the intersection delays, especially for those turning right from Raiha Street
  • Cater for pedestrians and cyclists by keeping through speeds to below 30 km/h, in line with safe system principles
  • Enable u-turns by 12m long single unit trucks
  • Cater for over dimension vehicles and large trucks.

As there are a number of uncertainties, including the impact of Transmission Gully, we decided to install a temporary roundabout before Transmission Gully opens to allow for it to be tested by road users and modified as needed. The temporary roundabout is likely to be in place for at least 12 months before the permanent roundabout is constructed.

The monitoring of this project is being done in two stages (including reviewing stakeholder feedback).


Kenepuru temporary roundabout


Prior to Transmission Gully opening. This monitoring is underway and initial results have highlighted that some changes are required.

The proposed changes will be confirmed and put in place before the end of June 2021, after analysis of traffic surveys carried out during February 2021 and a post construction safety audit, which is due in March 2021.


Monitoring will be carried out after Transmission Gully opens to see how the new roundabout performs.

Following completion of the monitoring the ‘temporary’ features will be made permanent including any changes highlighted during the monitoring.


Kenepuru Drive/Ambulance Drive roundabout project

The roundabout will give motorists on the eastern side of Kenepuru Drive – who have difficulty turning right during busy periods - the option of turning left and undertaking a u-turn at the roundabout. The upgrade will also improve pedestrian access across Kenepuru Drive, including installation of a pedestrian crossing.

Construction of this roundabout is due to start in mid-2021 in conjunction with development of the shared pathway in front of ESR. The design will incorporate feedback received during an information evening held in December 2020, and from ongoing discussions with local businesses.

Find out more


Kenepuru Railway Station to Bluff Road shared pathway and crossing

Construction will be done in two stages on this shared pathway that will run in front of ESR between Bluff Road and Kenepuru Railway Station.

Work on the first stage, between the entrance to ESR and Ambulance Drive, began in April 2021.

While the shared path is being built there will be less parking available on the street in front of ESR, as we will have temporary traffic management measures in place to enable the construction to be completed safely and efficiently.

The second stage, between the entrance to ESR and Bluff Road, can only be carried out following construction of the TG roundabout. No timeframe for that project is available at this stage.

Following completion of the shared path, permanent parking restrictions are likely to be put in place in front of ESR to increase visibility and make it safer for pedestrians using the crossing point south of Bluff Road. The extent of these restrictions will be confirmed once details become available.


Kenepuru Railway Station accessway improvements

The access to Kenepuru Station has been transformed, with improved lighting, resurfacing, vegetation improvements around Porirua Stream, removal of trip hazards and the installation of art work. You might like to check it out sometime.

Greater Wellington Regional Council are also planning to put in ‘Train Replacement’ LED signs at the Kenepuru Drive entrance to the station by the end June 2021.


Kenepuru station accessway improvement

Kenepuru Corridor intersection improvements

Construction is due to start in late April 2021 on the following upgrades, which are being undertaken to manage the extra traffic volumes expected following the opening of Transmission Gully:

  • Raiha Street/ Broken Hill Road: to reduce the wide conflict area and the risk for all road users. (June 2021) View the plan
  • Raiha Street/ Prosser Street: construction of a mountable roundabout to reduce speeds and near misses between vehicles. (May 2021) View the plan
  • Main Road/ Wall Place: widen the intersection to reduce the delays for exiting traffic. (June 2021) View the plan

Scope of work includes, but is not limited to, the demolition, removal, disposal and installation of the following items:

  • Pavements
  • Traffic islands/roundabouts
  • Kerbs and channels
  • Vegetation
  • Signage
  • Drainage
  • Street lighting


Kenepuru Drive cycle crossing point

Construction is due to start in May 2021 on this cycle crossing point (approximately 100m south of Flooring Xtra). The aim it to provide a safe crossing point for north bound cyclists on Kenepuru Drive to access the Porirua Stream Pathway. View the plan.


Kenepuru Drive/Transmission Gully link Road

Nightworks are underway on Kenepuru Drive in preparation for the construction of a new two-lane roundabout, part of the Transmission Gully project’s Kenepuru Interchange. Once Transmission Gully opens, Kenepuru Link Road will take traffic to and from the new motorway and connect with Kenepuru Drive at the new roundabout, located near North City 10-Pin. We will maintain two lanes of traffic flow through the worksite on Kenepuru Drive during peak times.

Please be aware that traffic will be under ‘stop/go’ traffic management at times during the night. Bluff Road will need to close for 6-7 weeks from the end of April, with no right turns in and out during the staging of works. No access is available by Lower Main Drive. A diversion will be available from Raiha Street and Hospital Drive Parking will also be removed in front of ESR, the Institute of Environmental Science and Research. The footpath on the western side will still be available to pedestrians, but it will be a congested work site, so caution is advised. Work is scheduled for completion in September.

Find out more about the Transmission Gully Link Road and interchange .

We will keep you updated as works progress. Please contact 0800 TGINFO (0800 844636) or info@tg.co.nz for any questions


Northern Kenepuru area improvements

Northern Kenepuru area improvements

We’re working together to make improvements to the northern Kenepuru area. These improvements will make it easier and safer for vehicles, pedestrians and cyclists to safely access businesses, Kenepuru Landing, Summerset Retirement Village, Bishop Viard College and the city centre. These improvements will also help us to manage the traffic growth anticipated from the Kenepuru Landing development and the opening of Transmission Gully.


kenepuru map.JPG


Four main projects

We are planning to install traffic signals at both intersections and provide crossing facilities to make it easier and safer for pedestrians, and cyclists to get to and from the city centre. It will also be safer for all road users as there have been a number of crashes and near misses in the area, and once completed public transport will be rerouted from Kenepuru Drive through Kenepuru Landing.

We are also changing the accessway to the Seventh-day Adventist Church, Bishop Viard College and Te Ngākau Tāpu Parish. Currently all users get to these places via Kenepuru Drive. However, access will be relocated to Lower Main Drive as part of the enabling works for the changes at the Kenepuru Drive intersections with Lyttelton Ave and Lower Main Drive.

Why we are proposing these changes

Both intersections are currently very busy, with 28 reported crashes and near misses, within a 100m radius, over the past 10 years. Side roads are also experiencing significant delays with conflicting turning movements in and out of these side roads. When Transmission Gully opens in 2021, changes in traffic patterns will add more pressure to this area. The proposed changes to these intersections will make it safer for all road users and also enable traffic to flow smoothly on Kenepuru Drive

Significant growth at Kenepuru Landing and the probable increase of Bishop Viard College doubling its roll will result in more people walking and cycling. This is going to put increasing demand on existing crossing points. This growth, combined with Transmission Gully opening, will cause additional delays for motorists and safety concerns for those using this crossing.

Development of Kenepuru Landing and Summerset means the Lower Main Drive/Kenepuru Drive intersection needs upgrading to provide safe access to residents. These improvements will also give residents of Kenepuru Landing an alternative access to Bluff Road and Hospital Drive.

Currently, public transport is unable to safely service the Kenepuru Landing/Summerset area. These improvements will enable public transport to service the newly developed Kenepuru Landing and Summerset Retirement home area.

Designs for this work is planned for completion in early 2022.  Construction is planned for completion in mid-2023.

1312 HALO 11339-Kenepuru Dr Intersections-A2 MAP only-ff.jpg


The city centre revitalisation plan identified that there is a lack of easy and attractive pedestrian access between Kenepuru Landing and the city centre.

The most accessible route is from Lower Main Drive, across Kenepuru Drive and along Lyttelton Ave to Ferry Place and enter Te Manawa, the heart of the city centre. Currently the intersection isn’t easy for pedestrians to navigate their way across.

To improve this route for people walking we’re looking at modifying the intersection and providing safer pedestrian crossing points as well as upgrading the footpath.

1312 HALO PCC Walton Leigh Intersection MAP-ff.jpg

210708 Landscape base & tactiles CROP smaller for web.jpg


An update of the Kenepuru Area Study in December 2019 indicated the value of undertaking linked short term improvements at the Titahi Bay Road/Kenepuru Drive roundabout and Mungavin interchange to improve capacity, reduce delays and improve the flow of traffic.

Possible interim changes at Titahi Bay roundabout may include:

  • Option 1: Adding an extra lane on the bridge to provide additional capacity
  • Option 2: Installing signalised metering system similar to the one at Pāremata roundabout
  • Option 3: A combination of Option 1 and 2

1312 HALO PCC Interim upgrade of Titahi Bay Road MAPS-ff.jpg

Further investigation and network modelling will be required to understand the best solution for the intersection. This will be finalised during detailed design stage.

Proposed changes to Mungavin interchange are currently being discussed with Waka Kotahi. Any changes to Mungavin interchange will be closely monitored post the opening of Transmission Gully to understand the change in traffic patterns at Mungavin interchange.


We are constructing a shared path that runs from the Kenepuru Drive/Lyttelton Ave/Lower Main Drive intersection down Lyttelton Ave and Station Road to Te Ara Tawa. This will enable residents from Kenepuru Landing to safely access Te Ara Tawa and Porirua Railway Station from Lower Main Drive.


Next steps

Detailed design of these northern Kenepuru area projects is planned to finish by early 2022. With the construction of the proposed intersection along Kenepuru Drive between Lyttelton Ave and Lower Main Drive planned for completion mid-2023. The timing of the construction of the other three projects (listed above) is subject to confirmation of funding.


Want to know more?

If you’ve got any questions, please get in touch at  kenepurucorridor@poriruacity.govt.nz.


FAQs

19,000 to 20,000 vehicles per day based on a mid-week survey at two locations in April 2018.


Yes, modelling predicts that traffic volumes will decrease slightly on the northern section of Kenepuru Drive, and will increase by approximately 4000 vehicles per day (20% increase) on the southern section of Kenepuru Drive.


Yes. This traffic will be over and above the increases from the opening of Transmission Gully.


Yes, traffic surveys have been scheduled annually, from April 2019 at the same locations as the 2018 baseline surveys, and at a number of other locations including Prosser and Raiha Streets.


Yes, it is expected that average speeds will not change significantly on the northern section of Kenepuru Drive, and reduce slightly on the southern section of Kenepuru Drive below the current average speeds of around 40 km/h between 8am and 6pm. 


This manoeuvre will become more challenging with increased traffic volumes. Future concept designs will take this into account.


Kenepuru Drive has not been identified as one of the nation’s high risk urban corridors. Increased traffic will have a potential impact, so safety is a key consideration in all design solutions. 

There have been 36 reported crashes including one fatal and eight minor injury crashes along Kenepuru Drive, excluding Titahi Bay Road roundabout, in the period 2014 to 18. 

The majority of the crashes have happened on the southern section of Kenepuru Drive.


Yes, all transport modes are being considered which is why we have adopted a corridor approach that includes the Te Ara Tawa shared path. 

Our newly developed Growth Strategy includes the principle to be a connected and active city with a range of safe and effective transport options, including private vehicles, walking, cycling and access to public transport.


All road legal vehicles.


Yes, funding has been allocated in 2018/19 and 2019/20 for:

  • Kenepuru Drive/Lower Main Drive (with development contributions) and Kenepuru Drive/Raiha Street intersections.
  • The crossing point west of Bluff Road.
  • The shared path between Kenepuru Station and the crossing point west of Bluff Road.
  • Any major additional funding would be subject to the Long-term Plan process.

We are currently monitoring the situation.

We will consider the future of parking as the safety of all road users is a key consideration when developing concept designs.


Not currently. An option such as this would have to be carefully considered in the wider context of Kenepuru Drive and the potential safety risks associated with four-lane arterial roads.


Yes, the Kenepuru Drive Culvert immediately north of Ambulance Drive was reassessed in 2018 and 2019 and was found to be capable of carrying heavy vehicles (HN-HO-72 and HPMV traffic loading) without restriction.


Join our contact group to get regular updates. If you haven’t already signed up, please email kenepurucorridor@pcc.govt.nz