The northbound lane of State Highway 1/State Highway 3 at Bulls remains closed with congestion back past Ohakea weigh station after an incident this morning in which a truck crashed into a power pole.
Waka Kotahi has asked motorists travelling north through the area to consider an alternate route.
Emergency services were alerted to the crash on Bridge St just before 10am on Friday.
Hundreds of properties in Bulls are without power due to the crash, according to Powerco.
Powerco were alerted by Fire and Emergency that a power pole had come down and that the overhead line was hanging low to the ground.
Power was cut to 483 customers in Bulls. 261 customers were reconnected by 11am and the remaining 222 customers should be reconnected by 7pm.
A field crew was dispatched to make the site safe as quickly as possible and repairs are ongoing.
Police said around noon that workers had been able to open one lane and traffic management was in place.
Motorists were advised to expect delays.
More to come.