> There is absolutely zero chance any respectable study would support that focusing on maintaining exactly 110 km in a 110km is safer than allowing a 10% buffer (going 10km over) so you can focus on the road and spend more of your attention on spatial awareness than staring at the odometer.

You can accomplish that equally easily by sticking to 100 km/h.

What is it with the word "limit" that is so hard to understand? It's not the suggested speed, nor the target speed, nor the minimum speed. It's the maximum speed.