2. Roads and urban planning

2.1 Curb and gutter

These are prefabricated concrete products used to delineate sidewalks, shoulders, islands or medians, and to channel runoff water (figures 15 and ).

According to standard NF P 98-340/CN, the following profiles can be distinguished (figure 17 ):

• A: road or freeway verge kerbs that can be crossed once the roadway has been completed;

• P: kerbs for parking lots, driveways, sports fields ;

• T: kerbstones specially designed for urban roads;

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