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Old June 28th, 2013, 05:44 AM   #1
romanSA
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#N2/M41 uMhlanga Interchange Development | Under Construction

Construction starts on R816m KZN interchange
28th June 2013



The South African National Roads Agency Limited (Sanral) began construc- tion on the R816-million improve- ment project on the N2/M41 Mount Edgecombe interchange north of Durban, in KwaZulu-Natal (KZN), last month.

The contractor is establishing the site office and laboratory and a major electrical line is being relocated.

The project will result in the interchange being upgraded to a four-level free-flow configuration to ease congestion in the area.

The construction is jointly funded by Sanral and the KZN Department of Transport and the upgrade will take about three years to complete.

The civil construction is being undertaken by Italian construction company CMC di Ravenna, with construction being supervised by engineering and development consultant Smec South Africa.

Sanral’s contract with CMC di Ravenna stipulates minimum targets for employment from within the eThekwini municipality region, as well as for small contractors and businesses from KZN.

Sanral communications GM Vusi Mona says the proposed interchange facility will provide two additional lanes on each of the major roads and the project also includes the implementation of directional ramps, which will eliminate the need for controlled signalisation, ensuring the free flow of traffic in all directions.

“To achieve this, two bridges will be constructed on the directional ramps. One of these will be 26 m high and 947 m long, which will make it the longest incrementally launched bridge in South Africa. The second bridge will be 18 m high and 443 m long. It will be a free-flow system interchange, which is similar to how the EB Cloete spaghetti junction, in Durban, currently operates,” he states.

The upgrades have become necessary, owing to the expan- sion of the uMhlanga, La Lucia Ridge and the anticipated expan- sion of the Cornubia develop- ment. The interchange is oper- ating at capacity, with vehicles backing up on the M41 and the N2 during peak hours.

As a result, motorists experience severe delays. The existing interchange, therefore, requires a major upgrade to improve the flow to and from the N2 and the M41 to the supporting road network.

An additional 40 000 vehicles enter or leave the N2 from the M41 daily, resulting in a substantial queue of vehicles during the day, Mona reveals.

During construction, traffic will be accommodated on temporarily widened sections but major disruptions can, unfortunately, not be prevented, owing to limited space, tighter corners and reduced lane widths, which negatively affect traffic flow.

Mona urges motorists to be aware of the construction when travelling, to be observant of the advance warning signs and lane closures, and to practise caution when using this stretch of road while the upgrade is under way.

He says this may be the main challenge during the project, as frustration is an unfortunate by-product of improving roads.

“Motorists’ frustration will be addressed through education, temporary engineering, persuasion and enforcement. We will have notice boards to inform motorists where construction is taking place. We have issued a media release to encourage motor- ists to take note of the construc- tion work when planning their trips and to observe the advance warning signs and lane closures when travelling through the construction work zones,” Mona says.

Coastal Highway Project
Sanral has been granted approval to expand and upgrade the N2 to Durban, which comprises about 560 km between the N2 Gonubie interchange, near East London, in the Eastern Cape, and the N2 Isipingo interchange, south of Durban.

Sanral is tasked with finalising the land acquisition and deciding on the funding model to be used.

The project is expected to cost about R11.5-billion and construction of key aspects of the project will start within 9 to 12 months of government’s final approval of the funding and roll-out strategy, after which the project is expected to take between 48 and 52 months.

Mona says Sanral has determined that the Wild Coast region has been identified as an area for strategic economic development, in accordance with government’s Spatial Development Initiative (SDI) strategy.

“The Wild Coast SDI identified the provision of a major road, such as the proposed toll road, as an important catalyst for the achievement of its objec- tives, since it would enhance access to the region and facilitate the development of the area’s eco-tourism potential. The existing N2 south of Mthatha requires major upgrades to fulfil its function as a primary national road between economic centres and to cater for rapidly growing traffic volumes,” he explains.

The existing R61 and the N2 in KZN, between Port Edward and Durban, require similar upgrading, although not to the same extent as the other sections forming part of the proposed toll highway. However, the expected and current traffic growth along the Port Edward–Durban section requires that such upgrades be undertaken sooner rather than later.

The proposed N2 Wild Coast toll highway aims to provide an improved, shorter and safer road link from KZN to the Eastern Cape and to the Western Cape. Mona says a shorter, more effi- cient transport route is regarded as an improvement to the national road network and is considered to be of strategic importance to the region and the country.

He adds that such a national road or ‘spine’ is considered a provider of the necessary links and motivation to improve the secondary and local networks, while facilitating sustainable economic growth along the entire corridor.

“Sanral has played an integral role in spearheading the N2 extension project after commissioning an environmental-impact assessment (EIA). Now that we have buy-in from the community, we can move forward with this project, which will add to our already world-class national road network,” Mona says.

Further, he notes that the EIA documentation and other socioeconomic and assessment studies have shown overwhelming support and a need for the N2 Wild Coast toll-highway project, particularly in relation to the Eastern Cape and its Pondoland region. As a result of the project, there will also be tremendous development and social benefits for KZN, adds Mona.

Challenges
Accessing the greenfield portion of the N2 Wild Coast toll-highway project is severely limited by the rugged terrain, the large and numerous incised gorges that must either be circumvented or crossed and the severely limited access to Pondoland.

However, Sanral is confident that such challenges will be overcome through the careful planning of resources and through its upgrading of existing accesses and provision for new ones as required.

“Such additional infrastructure will not only help the local populace in the short term but will also benefit future generations. “Further, industrial, office and residential accommodation will also be required for the engineering and construction teams. Such facilities will be designed, constructed and located to serve tourism and business facilities once construction is completed,” Mona concludes.

Edited by: Tracy Hancock

http://www.engineeringnews.co.za/art...nge-2013-06-28
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Old June 29th, 2013, 11:30 PM   #2
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Thats a very interesting interchange design.
I'm guessing that loop is there due to the lack of space for a flyover!
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Old June 29th, 2013, 11:39 PM   #3
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Quote:
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Thats a very interesting interchange design.
I'm guessing that loop is there due to the lack of space for a flyover!
Possibly, but often such a design is used where some movements are less busy than others and the busier ones get semi-directional ramps while the less busy ones get loops. This is not what is usually called a four-level interchange, which is usually reserved for a layout like EB Cloete (ie without loops). If you count interchanges like this then there are probably a few in the Southern Hemisphere, but by the stricter definition there are only two.
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Old June 30th, 2013, 08:17 PM   #4
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funny you say that as the pink loop one is the route coming from durban turning into umhlanga and is the busiest direction of traffic through this interchange
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Old June 30th, 2013, 09:26 PM   #5
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I agree with both of you guys. I think the is insufficient space for a flyover from the N2 in the direction towards Umhlagha (However the hell you spell it ).

Which is very unfortunate as I would assume that this is a heavily travelled route. That loop looks relatively tight and cars would have to travel at low speeds.
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Old July 7th, 2013, 06:49 AM   #6
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#N2/M41 uMhlanga Interchange Development

Lets have all on this work in one spot.
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Old July 16th, 2013, 11:20 PM   #7
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Tuesday, 16 July 2013 17:40
Boost for Durban’s Cornubia Development

Published by Commercial Property News

The inter-governmental, multibillion Rand Cornubia Development, situated north of Durban, is underway and has just received a major boost after the South African National Roads Agency Limited (SANRAL) agreed to fund the bulk of R830 million N2/M41 interchange.

Cornubia DevelopmentCornubia Development was initially a joint venture between the eThekwini Metro Municipality and Tongaat Hulett, but has since been adopted by Cabinet as a national priority project. All spheres of government, including the KwaZulu-Natal provincial government, are now official partners in the development.

Cornubia is a mixed use and mixed income development consisting of 1 200 hectares of the land. Of these, 80 hectares are earmarked for industrial development. The rest is for commercial, housing and other public amenities.

The development will see an additional 24 000 homes -- of which 15 000 are proposed for subsidised housing and the balance for a wide range of affordability levels -- being built.

The issue of the N2/M41 interchange had caused consternation among stakeholders, as organs of state could not agree on the funding formula.

SANRAL spokesperson Vusi Mona confirmed to SAnews that the issue has been resolved.

"We can confirm that we will fund the Cornubia interchange improvements at Mt Edgecombe. The cost of the interchange is in the order of R830 million. The contract was just awarded recently to the contractor CMC."

According to developers, the development will eventually create 370 000 temporary construction jobs and 36 000 new employment opportunities.

Cornubia Development also makes provision for social and public facilities (schools, crèches, clinics etc). Other facilities and amenities such as multi-purpose halls, post office, police stations, hotels/motels and churches will also be provided at Cornubia.

Cornubia will also boast a BRT (bus rapid transport) system, hence a multi-nodal transport interchange for taxis and buses will be planned. The general approach is that all facilities will be accessible to pedestrians and not just vehicles.

The development is strategically located (some 15km south of the new King Shaka International Airport) between the historically advantaged Mt Edgecombe/Umhlanga area and disadvantaged areas north of Durban such as Inanda, Ntuzuma, KwaMashu, Phoenix, Ottawa and Waterloo.

In an interview with SAnews, Kwanele Ncalane, spokesperson for the KwaZulu-Natal MEC for Transport, confirmed that an agreement had been reached by all parties involved regarding the funding of the interchange.

"The KwaZulu-Natal Department of Transport is going to contribute. However at this stage, we are not in a position to disclose the actual investment in the project," Ncalane said.

"The developer is to move on site by August. All parties have agreed on a cost-sharing ratio," eThekwini Metro Municipality City Manager S'bu Sithole said.

Source: SANews


http://www.eprop.co.za/news/item/154...velopment.html
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Old July 17th, 2013, 08:24 AM   #8
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Eish.. August...

I would have thought they would at least finish the N2/M19 interchange first.
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Old July 17th, 2013, 08:43 AM   #9
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It needs to happen as soon as possible. It is holding up the development of Cornubia
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Old July 17th, 2013, 10:09 AM   #10
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Yeah i know the reasoning..

I was just hoping for a month or two of decent traffic on the N2 after they'd finished the N2/M19 before they completely **** it up all over again for another few years...
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Old July 17th, 2013, 01:52 PM   #11
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haha I think it is many more years to come...

also as part of cornubia they are going to start construction soon on a new interchange of the m41 and the mt edgecombe off ramp by the spar and woolworths centres. this will be turned into a fully fledged interchange to feed the new Makro and Hypermarket and the Investec Mall.

Also with the IRPTN Phase 1 underway, the route from bridge city to umhlanga goes through Cornubia and will require 2 new bridges - over the m41 to cornubia and 1 over the n2 to connect cornubia and the gateway are where the uMhlanga IRPTN station will be (getting into gateway area by porsche).

So its a crazy time to come for the area
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Old July 17th, 2013, 03:28 PM   #12
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Originally Posted by ToxicBunny View Post
I was just hoping for a month or two of decent traffic on the N2 after they'd finished the N2/M19 before they completely **** it up all over again for another few years...
Evidently you haven't been around the Table View area lately...
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Old July 17th, 2013, 03:39 PM   #13
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No offence but I hate Tableview. Planning mess
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Old July 17th, 2013, 04:00 PM   #14
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That's what I implied... and it's pretty much under a perpetual state of construction to try and sort as much of it out as possible (*cough* Blaauwberg Road). So yeah, we're used to all of that up here.

Though, I'm drifting off-topic now. So back to the N2/M41 interchange -- it's a long overdue project (I used to dread passing through there when I stayed in Durbs). There's pretty much new development in the area each time I drive in from King Shaka, and N2 traffic volumes ain't pretty.

I do have one concern: the fact that SANRAL is funding the bulk of the project. Particularly: how they intend to fund it...
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Old July 18th, 2013, 12:44 PM   #15
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No road tolling. What will happen is fees further along at existing toll plazas will go up. They also about also to start putting lights along the n2 from Edwin swales to Blackburn bridge just past this interchange. This will include road widening projects. So the entire n2 from spaghetti junction will be a Construction zone for years
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Old July 30th, 2013, 08:36 AM   #16
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Interesting thing this morning.

I chose to take the N2 (Mistake that it was) since I was very early for work. There were workers on the N2/M41 interchange handing out flyers detailing the work that will be done.

I will try and get the one I have scanned and uploaded here for those who want to see it.
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Old July 30th, 2013, 08:45 AM   #17
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Cool thanks mate
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Old August 2nd, 2013, 08:14 AM   #18
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Have it in my car now.. will scan it and upload this weekend.
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Old November 12th, 2013, 03:28 PM   #19
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Hows work progressing? Chaos with the traffic?



N2 / M41uMhlaga Interchange Development

The contractor is establishing the site office and laboratory and a major electrical line is being relocated.

The project will result in the interchange being upgraded to a four-level free-flow configuration to ease congestion in the area.

The construction is jointly funded by Sanral and the KZN Department of Transport and the upgrade will take about three years to complete.

The civil construction is being undertaken by Italian construction company CMC di Ravenna, with construction being supervised by engineering and development consultant Smec South Africa.

Sanral’s contract with CMC di Ravenna stipulates minimum targets for employment from within the eThekwini Municipality region, as well as for small contractors and businesses from KZN.

Sanral communications GM, Vusi Mona, says the proposed interchange facility will provide two additional lanes on each of the major roads and the project also includes the implementation of directional ramps, which will eliminate the need for controlled signalisation, ensuring the free flow of traffic in all directions.

“To achieve this, two bridges will be constructed on the directional ramps. One of these will be 26 m high and 947 m long, which will make it the longest incrementally launched bridge in South Africa. The second bridge will be 18 m high and 443 m long. It will be a free-flow system interchange, which is similar to how the EB Cloete Spaghetti Junction, in Durban, currently operates,” he states.

The upgrades have become necessary, owing to the expansion of the uMhlanga, La Lucia Ridge and Cornubia development. The interchange is operating at capacity, with vehicles backing up on the M41 and the N2 during peak hours.

As a result, motorists experience severe delays. The existing interchange, therefore, requires a major upgrade to improve the flow to and from the N2 and the M41 to the supporting road network.

An additional 40 000 vehicles enter or leave the N2 from the M41 daily, resulting in a substantial queue of vehicles during the day, Mona reveals.

During construction, traffic will be accommodated on temporarily widened sections but major disruptions can, unfortunately, not be prevented, owing to limited space, tighter corners and reduced lane widths, which negatively affect traffic flow.

Mona urges motorists to be aware of the construction when travelling, to be observant of the advance warning signs and lane closures, and to practise caution when using this stretch of road while the upgrade is under way.

He says this may be the main challenge during the project, as frustration is an unfortunate by-product of improving roads.

“Motorists’ frustration will be addressed through education, temporary engineering, persuasion and enforcement. We will have notice boards to inform motorists where construction is taking place. We have issued a media release to encourage motorists to take note of the construction work when planning their trips and to observe the advance warning signs and lane closures when travelling through the construction work zones,” Mona says.

http://www.cornubiaindustrialpark.co...e-development/
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Old September 1st, 2014, 05:40 AM   #20
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Interchange work well underway

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