This is despite Transport CS Kipchumba Murkomen suspending the re-testing of public service vehicle drivers and their commercial service counterparts until September 1.
In a statement, he said, the suspension will allow the multi-agency committee responsible to address concerns raised by drivers.
"Towards this end, the ministry and stakeholders have agreed on the formation of a multi-agency that will among others review the grievances raised by the drivers and conductors," Murkomen said.
Azimio La Umoja One Kenya Alliance coalition is expected to hold demonstrations over the high cost of living.
Party leader Raila Odinga said they will not stop until they are heard.
He said the demonstrations in Nairobi will be preceded by a rally at Kamukunji grounds.
How Kenya's street food content is thriving on TikTok