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Table 1: FHWA Safety Guidance Table <br />Vehicle ADT < 9,000 <br />Roadway Type <br />(Number of Travel Lanes <br />and Median Type) <br />Two lanes <br />Three lanes <br />Vehicle ADT Vehicle ADT <br />> 9,000-12,000 > 12,000-15,000 <br />Speed Limit* <br />Vehicle ADT <br />> 15,000 <br />< 48.3 56.4 64.4 < 48.3 56.4 64.4 < 48.3 56.4 64.4 < 48.3 56.4 64.4 <br />km/h km/h km/h km/h km/h km/h km/h km/h km/h km/h km/h km/h <br />(30 (35 (40 (30 (35 (40 (30 (35 (40 (30 (35 (40 <br />mph) mph) mph) mph) mph) mph) mph) mph) mph) mph) mph) mph) <br />c P <br />Multilane (four or more <br />P C P N P <br />lanes) with raised median** <br />Multilane (four or more <br />lanes) without raised me- C P N P P N N N N N N <br />dlan <br />*Where the speed limit exceeds 64.4 km/h (40 mph), marked crosswalks alone should not be used at uasignalized locations, <br />"The raised median or crossing island must me at least 1.2 meters (4 feet) wide and 1,8 meters (6 feet) long to serve adequately as a refuge area for pedestrians, in accordance <br />with MUTCD and Amerian Association of State Highway and Transportation Officials (AASHTO) guidelines, <br />N C P N <br />P N N <br />P N N N N <br />C = Candidate sites for marked crosswalks. Marked crosswalks must be installed carefully and selectively. Before installing new marked cross- <br />walks, an engineering study is needed to determine whether the location is suitable for a marked crosswalk. For an engineering study, a site review <br />may be sufficient at some locations, while a more in-depth study of pedestrian volume, vehicle speed, sight distance, vehicle mix, and other factors <br />may be needed at other sites. it is recommended that a minimum utilization of 20 pedestrian crossings per peak hour (or 15 or more elderly and/or <br />child pedestrians) be confirmed at a location before placing a high priority on the installation of a marked crosswalk alone. <br />P = Possible increase in pedestrian crash risk may occur if crosswalks are added without other pedesttian facility enhancements. These loca- <br />tions should be closely monitored and enhanced with other pedestrian crossing improvements, if necessary, before adding a marked crosswalk. <br />N = Marked crosswalks alone are insufficient, since pedestrian crash risk may be increased by providing marked crosswalks alone. Consider <br />using other treatments, such as traffic -calming treatments, traffic signals with pedestrian signals where warranted, or other substantial crossing im- <br />provements, to improve crossing safety for pedestrians. <br />18 <br />