A timeline of engine development on the West coast with a focus on the Northwest and Preston. Including Rocket, Hardwick, L & Y Radial Tank, Royal Scot, Coronation Scot, Deltic, Class 40 and Class 86 'Preston Guild'


| Marker type | artwork | 
|---|---|
| City | Preston | 
| Country | United Kingdom | 
| What3Words | hoot.patrol.fully |