Optical Illusion Effect on Traffic Safety 

Liuxiao CHEN 

College of Civil & Architectural Engineering, Chongqing Jiaotong University, Chongqing, CHINA 

Abstract: When driving, there are some optical illusion phenomena in the road alignment and the driving en-vironment which will affect the driver’s visual effect. Driver may realize that the perception is wrong but still cannot make a correct respond promptly, which finally causes some operational errors, ｏｒ even leads to a se-rious accident. By analyzing the reasons and the phenomena of optical illusion, the study intended to seek the measures to overcome as well as take advantage of optical illusion, then improve the road traffic safety and provide some references to the design of road landscape. 

Keywords: Optical illusion; Road traffic safety; Road alignment; Application