That could have an adverse effect. There are processes in place for this.
The transportation administration in your area determines speed limits using several factors. Before I moved, the city I was in adjusted speed limits for several roads over a year long period. They reduced crashes by raising the limit on a handful of roads. They needed less policing for enforcement and traffic flow improved. After the study was completed, it stayed. Another example is a road they lowered the speed limit on resulted in higher crashes. So they put it back to what it was originally. And interestingly, in a construction zone where they had to lower the speed limit for the crew, they found that the lower speed limit overall, even when the crew went home, resulted in reduced crashes. For that area they just decided to keep that limit after construction was complete.
That could have an adverse effect. There are processes in place for this.
The transportation administration in your area determines speed limits using several factors. Before I moved, the city I was in adjusted speed limits for several roads over a year long period. They reduced crashes by raising the limit on a handful of roads. They needed less policing for enforcement and traffic flow improved. After the study was completed, it stayed. Another example is a road they lowered the speed limit on resulted in higher crashes. So they put it back to what it was originally. And interestingly, in a construction zone where they had to lower the speed limit for the crew, they found that the lower speed limit overall, even when the crew went home, resulted in reduced crashes. For that area they just decided to keep that limit after construction was complete.