±1" (±25 mm) 19 Size of gaps at rail crossings 0.5 in. 3 in. 0.83 in....
Search Results "Flangeway Gap"
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Table 2: Summary of Department of Transportation Survey
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Flange way gap
For rail projects, no flange way gap can be greater than 2.5" where passenger circulation paths cross tracks at grade (i.e. a street-level pedestrian crossing over streetcar tracks)....
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R302.7.4 Flangeway Gaps
R302.7.4 Flangeway Gaps....
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10.3.1(13)
necessary to cross tracks to reach boarding platforms, the route surface shall be level and flush with the rail top at the outer edge and between rails, except for a maximum 2‒1/2 inch gap...
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Track Crossings: ADA Standard Section 810.10
Where a circulation path serving boarding platforms crosses tracks, it shall comply with 402. EXCEPTION: Openings for wheel flanges shall be permitted to be 2½ inches (64 mm)...