Howdon Depot is a vehicle cleaning, maintenance and stabling facility used by the Tyne and Wear Metro, in Howdon, North Tyneside in Tyne and Wear, England. It is equipped with ten storage roads, and is capable of accepting and assembling the new fleet of Class 555 Metro currently being constructed by Stadler. It also features a maintenance shed with a single road and a pit underneath, as well as one shunt road.