McDonald’s have assured their customers there will not be a nugget shortage after a truck crash left one million of the chicken morsels sprawled over a Melbourne freeway.

All outbound lanes of the Hume Freeway heading north were closed after the B-Double truck hit an unoccupied car parked in an emergency stopping lane about 11.20pm yesterday.

The truck careered across two lanes, striking the median strip wire rope barriers before flipping and crashing along the north bound lanes.

The truck careered across two lanes and hit an unoccupied car parked in an emergency stopping lane. (9NEWS) (9NEWS)

Nugget nightmare: One million of the adored snacks spilled onto the Hume Highway overnight. (McDonald's) (9news)

The truck driver - and his dog - escaped unscathed and was taken to hospital for assessment.

But 20 tonnes of nuggets and fillet of fish patties were not so lucky, with the stock destined for the rubbish tip.

However, McDonald’s has assured diners the accident will not compromise their supply of nuggets.

The driver and his dog were uninjured. (9NEWS) (9NEWS)

Box after box of nuggets tumbles from the truck. (9NEWS) (9news)

“We’re thankful there were no injuries and apologise for the inconvenience caused to commuters this morning,” the fast-food giant said in an official statement.

“Our supplier was transporting the stock to our distribution centre at the time of the accident. We’ll work with our suppliers and the relevant authorities to understand the cause of the incident.

“The good news for customers is there is plenty of other stock of McNugget’s and we don’t expect any impact in our restaurants.”

Along with the precious cargo, one thousand litres of diesel spilt across the Hume Freeway.

Traffic is now flowing after the crash called major delays for motorists through the morning. (9NEWS) (9news)