The speed limit for High Road is 70km/hr from Leach Highway to Nicholson Read, with a possible 40km/hr zone during school arrival & departure (between Meadowbrook Drive & Belvedaire Way)
School zone
40 kph on school days
7:30–9am and 2:30–4pm (or as per signage)
https://www.police.wa.gov.au/Traffic/Road-safety/Road-Safety-Information

I noticed that when we go under or over an intersection the speed alerts us of the other road speed. Can this be corrected?