JOHANNESBURG - An application by the Democratic Alliance (DA) to join the e-tolling battle in the Constitutional Court was turned down on Monday.
The opposition party filed papers asking to join the case as a "friend of the court".
In April, the Opposition to Urban Tolling Alliance (Outa) was granted an urgent interdict by the North Gauteng High Court, bringing the controversial project to a halt.
A full review of the e-tolling system is due to take place in November.
The DA'S Jack Bloom said they were disappointed with the outcome of the application.
“There was an objection to us [taking part in the case] because we are a political party and we have been very vociferous to the tolls. We could be seen as not being objective.”
Outa and the DA believe the case cuts to the heart of whether citizens can challenge government policies.
But government wants the decision of the review overturned claiming a dispute in the separation of powers between the executive and judiciary.
It also argues that the South African National Roads Agency Limited (Sanral) is losing money due to the delay.
Under the proposed project, Gauteng motorists are expected to pay 30 cents per kilometre to use a large part of the province’s highways.
(Edited by Zethu Zulu)