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CAChWEV EEC] <br />C cAlbcp m@ur CAM <br />The 42 Gateway <br />Downtown Connection - Comparable Examples <br />Broadway`S iii• <br />North Boulder <br />The final evaluation will be more subjective than simple <br />length and width comparisons but this review of three local <br />pedestrian underpasses offers a point of comparison from <br />which the Short St. connection can be considered. Specifi- <br />cally, the underpass at Broadway St. and College Ave. near <br />CU offers a fairly similar set of physical constraints as those <br />found in this project and is generally considered to be safe <br />and comfortable. <br />One key difference between this project and these ex- <br />amples is that none of them pass under a railroad. Both the <br />railroad company and Public Utilities Commission each <br />have standards that require specific dimensions for pedes- <br />trian underpasses the major ones being: <br />• 10' of vertical clearance in tunnel <br />• bridge structures depth of 4-5' from the top of tracks <br />• 50-55' of tunnel ( necessity of a second set of tracks) <br />LCity,/ <br />Louisville <br />