This follows a recent fatal accident at Kilometer 119 along the highway.
The accident last week, claimed the life of a senior policeman while leaving an auxiliary policeman in a critical yet stable condition.
The third passenger in the car was left unharmed.
The North Fly police commander, Joe Puri says that investigations are continuing into the accident and further called on drivers to exercise caution while driving the road during this wet season.
“Drive safe to ensure that you stay alive,” warns the Commander.