Think about all the other service workers we have in this community. We have people who collect waste and rubbish and keep our community sanitary. We have road workers who put up and repair traffic signs and fix holes in the streets to protect not just us, but our cars!

At present, aluminum alloy, which belongs to non-rebirth resources, is mostly used as board materials of traffic signs in China. The cost increased with the yearly reduction of this resource.

With the eye tracker, the eye fixation and fixation time distribution in different speeds are analyzed when the car passes through traffic signs with different font height.