The former parliamentarian was detained in Nairobi for three weeks.
The protesters had written to IG Douglas Kanja demanding police protection during the protests.
On Sunday, floods hit parts of Nairobi, rendering parts of the major roads impassable.
Kenyans have been invited to submit their views on the changes before May 27.
In the ruling, the court ordered the defendants to file their responses within 7 days.
The notice affects motorists and other stakeholders in the motor vehicle sector.
The matatu was filmed while being driven recklessly before a crash.
Millions in funding have already been disbursed to compensate Kenyans attacked by wild animals.
Dangote's net worth is estimated to be 2.9 trillion ($23.2 billion), making him Africa's richest man.
Kenyans working in Saudi Arabia opened up on the harrowing experience they have been exposed to.
