更宽的步行道路面采用10英尺到16英尺，在一些地段上，用相互分离的平行车道来区分不同的使用者。
A wider trail tread of 10 ft to as much as 16 ft was adopted and, in some places, several parallel trail treads were specified with separate lanes for each type of user.
更宽的步行道路面采用10英尺到16英尺，在一些地段上，用相互分离的平行车道来区分不同的使用者。
A wider trail tread of 10 ft to as much as 16 ft was adopted and, in some places, several parallel trail treads were specified with separate lanes for each type of user.
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