Coast route offers a combination of breathtaking scenery and difficult driving. It is described by forum users as a road with varied road conditions, winding sections, and breathtaking views of the shore. It is well-liked by drivers because it offers a pleasant blend of fast straightaways and tight turns, especially when travelling in a strong vehicle like the XR6 Turbo.
https://www.fordxr6turbo.com/forum/topic/96890-kalbarri-hwy-1-or-20-ccsp