In the middle and in direct view of the driver is the analogue rev counter, its needle integral to its truly classic design. (porsche.com)
And it is particularly useful when large vehicles block the frontal view of the driver, so it could reduce the risk of accidents. (sciencedaily.com)
It also suggests teaching children to move away from a vehicle when started and to have them stand in full view of the driver when the vehicle is moving in reverse. (iihs.org)