A teenager has been caught taking a disability scooter for a joyride, reaching speeds of 70km/h along a main road in Melbourne's west.

Police clocked the 17-year-old riding the motorised scooter 10km/h over the 60km/h speed limit in Station Road, Melton South about 11.10am, Saturday.

The Melton teen was spotted travelling at high speed along Station Road, Melton West. Credit:Paul Rovere

The Melton teen evaded police's initial attempts to apprehend him, before being spotted travelling "at speed" along the footpath in High Street, a police spokeswoman said.

He was arrested on Sunday morning.

The teenager will be charged on summons with a range of offences, including conduct endangering life, conduct endangering person, evading police and using an unsafe modified vehicle.

He will appear at a children's court at a later date.