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The South African National Roads Agency SOC Limited (SANRAL) would like to notify road users to expect road closures to allow for geotechnical investigations required for the rehabilitation of the N1 sinkhole near the Flying Saucer Interchange in Centurion.

These investigations are required to complete the design of the remedial works required for the rehabilitation of the sinkhole to promote road safety and to allow for traffic to return to normal.

According to Progress Hlahla, SANRAL’s Northern Region Manager, the roads agency became aware of the sinkhole in the beginning of January and has since made efforts to prioritise the safety of all road users, including closing off affected lanes immediately, redirecting traffic and alerting the public on the situation.

“We have planned for further investigations of the N1 sinkhole from 6 February 2022. As a result, we will need to close the N1 South bound between the Flying Saucer Interchange and Botha Avenue on N1/R21 from 23h00 on Sunday, 6 February 2022 until 04h00 on Monday 7 February 2022. Only one lane will be open during this period,” said Hlahla.

The closure is required for gravity survey testing taking place in the fast lanes of the southbound carriageway as part of the geotechnical investigations required for the remediation works on the sinkhole.

The duration of the closure will be kept as short as possible to avoid any further disruptions.

Motorist travelling southwards towards Johannesburg may consider using the following alternative routes:

From Polokwane, offramp at Proefplaas Interchange (145) towards Pretoria CBD using the N4/M2 and join the M3 towards Fountains and join the N14.

From OR Tambo International airport, continue on the R21 towards Fountain circle and join the N14.

“Motorists are requested to plan their trips accordingly, consider alternative routes and use caution when making use of the roads,” said Hlahla.

SANRAL apologises for any inconvenience caused.

Issued by The South African National Roads Agency SOC Limited (SANRAL)