【美国】各种类型标线使用寿命（低于标准规定逆反射）

Current Practice 

A literature review and agency surveys have shown that the expected service life of pavement 

markings varies considerably across the United States.

(26)

 Table 1 shows the range of values for 

assorted pavement marking types. The large ranges demonstrate the need to use historical 

retroreflectivity data based on your agency’s or your state’s own conditions. 

Table 1. Range of pavement marking service life estimates.