The workers of a Sanral sub-contractor have embarked on a strike on the Johannesburg N1 highway.
Outa will lodge a formal complaint, following a "misleading" e-tolls statement issued by the portfolio committee on transport.
The new e-tolls dispensation does not disadvantage motorists with e-tags or those whose accounts are paid up, says Sanral.
Government faces a technical integration nightmare to ensure all Gauteng road users pay to drive on the province's freeways.
Non-payment of e-tolls is having a negative effect on the agency's toll portfolio debt levels.
The findings of the e-tolls review panel will be made public within the "next four weeks or so", reports the Sunday Times.
E-toll opponents lambaste transport minister Dipuo Peters' notion that the review panel has no bearing on the continuation of government's controversial road project.
The agency insists conventional tolls will be implemented in the Western Cape.
Switching to the fuel levy as a funding mechanism is now inevitable, as the amount owing to Sanral has breached R1 billion, say e-toll opponents.
Gauteng motorists owe more than R1?billion on unpaid e-tolls, a Parliamentary reply has revealed.
Are unnamed spokesmen misleading the transport minister?
The transport minister blames cyber attacks by unknown individuals and media houses for e-toll Web site issues.