What you need to know about the N4

Expansion and rehabilitation work between the Clewer and OR Tambo Interchanges commenced in April 2017 and will see a portion of this section of the highway expanded to a six lane facility.

Road works will be conducted in the median for the expansion works on the N4 Section 3 between km 19 and km 31. The upgrade will also require the widening of eight bridges.

This R290-million project will also include pavement rehabilitation as well as ancillary works such as guardrails and drainage upgrades. However, despite the extensive road works, traffic is not expected to be severely disrupted as two lanes, with deviations, will be operational throughout the upgrade.

Long term as well as day closures are currently in place with limited delays. Road users are requested to obey the temporary road signs as well as speed limits to ensure the safety of all road users.

Another section of the TRAC N4 toll road under construction is the section between Malaga Hotel and Montrose intersection in Elandsvalley. This project, which also started in April 2017, consists of adding five kilometres of passing lanes and extensive rehabilitation to 23 kilometres of pavement.

Widening of culverts and bridges as well as ancillary works also form part of this project. Due to the topography in this section, permanent Stop/Go’s will be operational throughout the 18-month long project each with an average of 30 minutes stoppage time. Currently there are three long term Stop/Go’s in operation and road users are urged to use Schoemanskloof as the alternative route.

TRAC’s extensive upgrades on the Mozambican side of the N4 toll road are also ongoing. The scope of work, between Ressano Garcia and Moamba includes the rehabilitation of the road and six bridges, including the Moamba interchange. Two permanent Stop/Go’s are currently in effect and delays of approximately 15 minutes can be expected.

The much-anticipated upgrade of the N4 in Maputo, also referred to as MDC Sections 19 and 20, got underway in May 2017 and include comprehensive road works between the Shoprite Centre Intersection in Matola and the 16 of June Circle in Maputo. The extensive project will include the construction of two additional lanes (one in each direction) which in turn will result in a six lane carriageway in this section which also happens to be the busiest section of our 570km trans-border route.

The rehabilitation of the pavement and the widening of seven structures will also form part of the construction works which are estimated to take approximately 20 months to conclude. Although there will be no lane closures, lane deviations and partial closure of intersections will require speed restrictions as part of the safety measures. This, in turn, may affect traffic flow, especially during peak times.

The BIC Intersection is currently partially closed to accommodate Phase 1 of the project.

The closure has resulted in the following traffic flow limitations:

a) Road users coming from the direction of Cinema 700 or from the old Matola road are unable to cross the N4.
b) Road users travelling westbound (from Maputo/Shoprite) are unable to turn right. Median works have eliminated slow lane shoulders with lane additions to start shortly. Traffic will be diverted to the completed median works to accommodate the lane additions and rehabilitation works.

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  AUTHOR
Trevor Aingworth
JOURNALIST/PHOTOGRAPHER

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