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30 <br /> <br />Raised Crosswalks <br />Raised crosswalks are used for traffic calming and to improve motorist yielding to people <br />walking, rolling and biking at intersections and midblock crossings. In this design, <br />crosswalks are elevated to reduce or eliminate the transition from the sidewalk to the <br />street crossing. Transition aprons on each approach to the raised crossing are marked with <br />pavement markings to alert drivers of the grade change. <br /> <br />Guidance <br />• Ensure the raised crosswalk is at least as wide as the connecting sidewalk or path. <br />• Provide detectable warning surfaces at the edge of the sidewalk to indicate to <br />pedestrians that they are exiting the sidewalk and entering the street. Ensure that <br />raised crossing meets accessible slope requirements. <br />• On-street parking and loading must be restricted 20 feet before the marked <br />crosswalk (15 feet if there is a curb extension) in both directions to provide adequate <br />sight distance between people crossing and people driving. <br />• Advance yield lines (“shark teeth”) at mid-block crossings should be located 20 to <br />50 feet from the edge of the marked crosswalk. <br />• The raised crosswalk should use the same advanced pavement markings used <br />approaching speed lumps. <br />• Include warning pavement markings for drivers on transition aprons. Transition <br />aprons should be 5 to 8 percent (relative to the street) on streets, and 5 to 15 <br />percent (relative to the driveway/alley) on driveways and alleys.