The term 'street machine' refers to a vehicle that has been modified for performance and style. The crossword solution for this term is 'paver, ' which is a machine used to lay asphalt or concrete on roads and other surfaces. Paving machines are typically used in the construction of roads, driveways, and parking lots. They are also used to repair existing surfaces and to create new ones. Paving machines are usually operated by a driver who controls the speed and direction of the machine.