Difference between Motorway and Throughway

MOTORWAY vs THROUGHWAY: NOUN

Hwy, Interstate, Causeway, Parkway, Road, Highways, Autoroute, Highway, Pike, State highway, Superhighway, Throughway, Thruway, Freeway, Expressway

Frontage road, Parkway, Highway, Underpass, Corridor, Vehicular traffic, Roadway, Thoroughfare, Pike, State highway, Motorway, Superhighway, Freeway, Thruway, Expressway

Route, Hwy, Interstate, Causeway, Parkway, Road, Highways, Autoroute, Highway, Pike, Superhighway, Throughway, Thruway, Freeway, Expressway

Byway, Frontage road, Parkway, Highway, Underpass, Corridor, Vehicular traffic, Roadway, Thoroughfare, Pike, Motorway, Superhighway, Freeway, Thruway, Expressway

The Pacific Motorway (M1) is the main motorway in the area.
Further motorway projects are now under construction such as the M17 Gort to Tuam Motorway on which Roadbridge are actively engaged.
Motorway There are 450 km of Motorway in Mauritania (in 2010), connecting Nouakchott to Nouadhibou along a coastal route.
Policy support for Motorway connection between Limerick and Cork and also upgrading of the N24 to Motorway standard.
The Magazine on the motorway Image copyright Thinkstock Would raising motorway speed limits make pile-ups worse?.
With more motorway services opening in the following years, motorway dining stopped being a novelty.
Geneva is connected to the motorway systems of both Switzerland ( A1 motorway ) and France.
Breaking down on a Motorway Motorway hard shoulders are for emergency use only.
Motorway tolls are set by each motorway operator.
Motorway signs give information about the start and end of a motorway and the exits from a motorway.

Hunt Street, so called, from its intersection with County Street, thence northerly to the commencement of the State throughway.
It's an uninspired open expanse that is used as a throughway for students traversing the interconnected buildings of the residential block.
It is also valid within the rail throughway and on the urban sections of Trenord.
So I can understand if industrial parts are close to the main throughway.
This is to prevent that shared driveway from becoming a throughway.