Research on Recognition and Evaluation of Traffic Guide Sign

Table 3

Example of evaluation standard.

Date		Name
Index	Standard	Interval	Score
Character size	Character height is less than 25 cm	<2.0
	Character height is between 25 and 40 cm	2.0~3.0
	Character height is between 40 and 50 cm	3.0~4.0
	Character height is more than 50 cm	4.0~5.0
Character number	Character number is more than 20	<2.0
	Character number is between 13 and 20	2.0~3.0
	Character number is between 7 and 12	3.0~4.0
	Character number is less than 7	4.0~5.0
Information complexity	The number of destinations is more than 6	<2.0
	The number of destinations is between 5 and 6	2.0~3.0
	The number of destinations is between 3 and 4	3.0~4.0
	The number of destinations is between 1 and 2	4.0~5.0