M1 'rehab project' kicks in today

From today, the northbound carriageway will be reduced from three to two lanes.

The Johannesburg Roads Agency is undertaking essential maintenance on the M1 freeway between Killarney and Crown Interchange. Picture: Christa Eybers/EWN.

JOHANNESBURG - Phase two of Johannesburg Roads Agency's (JRA) M1 highway project kicks in today.

The rehabilitation project is aimed at upgrading the highway and bridges, but this is expected to severely affect traffic.

From today, the northbound carriageway will be reduced from three to two lanes.

WATCH: JHB traffic to be severely affected by M1 'rehab project'

The southbound carriageway will remain open until the third of April when it will also be reduced to two lanes.

Traffic is expected to be severely affected from Monday but the JRA says the upgrade of the highway and refurbishment of the Oxford and Federation bridges are vital.

Motorists have been urged to plan ahead, use alternative routes or use public transport.

Construction work is only expected to be completed by 2017.