CCAgenda-3/08/04Mtg - Laserfiche WebLink

Home Browse Search

For most crossings, an eight-foot high underpass with two feet of overhead structure is necessary. At ten feet of depth, about 20 steps or a 145-foot long ramp for wheel- chair access is necessary at each end. The road may be raised slightly to reduce ramp and stair length. Trench drains are necessary at the end of each ramp to collect runoff. Grade entrances to underpasses at a maximum of 8%. Provide level rest areas at ~ 30" of elemtion ch~n~e. Ideally, a ~mil~ould be included to aid un~ad~ ~lker~. ~ ~ord of ~ution: It is eas~ to ~come enamored with ~destrian/auto separation, and to a,~ume man~ crossings must have mmplete separation. In principle, this might ~eem ideal, but cost, existin~ site configurations and the relatNe ease of crossin~ man~ ~reet~ u~uall~ prohibit it. Grade ~eparation i~ spa~ con~umin~ and more difficult and ~lower for pedestrians than on~r~de street cro~in~s. Separ- ation ~hould be considered for special site~ including: 1 } those that force children to cross a bus~ street to reach 2} tho~e that force mang people to cro~ a bus~ stroet to ~nd~r~ ,hould b~ ~ide, ~ith a ~entle ,Io~ {pr,~mbl~ under rsach mmmercial, transpo~ation or rocrsational fi~), and ~ith ~ el~r ~ to the other ,ide. ~e~ ma~ ~ th, mamn ~nters: ~r er,~infl a b~lo~e ~rian ~la2a ~here eiw noi~ ar~ 3} malor extension, of the communit~ o~n-space ~stem; mu~l~. 4} areas where there are large volumes of automobile traf- fic and large numbers of pedestrians. 3. The underpass can be ~mbined with ~hoppin~ or other public facilitie~ that make the walk-through pleasant. The~e underp~e~ need to bo large and connected with transit or ma~or Parkin~ to ~uarantee ~ufficient users. studied ~o assure that busines,es will ha~e enough ~sto- mers to be ~ble. ~ large number of user~ ~n al~o fir~e Crowings. Free cro~in~ i~ residontial area~, ~des- allow for installation of escalators and an elevator for trian-odented business di~tdcm ~nd small scale downtown ae~ss bg ha~dimp~d and elderl~ potions. Thi~ tgpe areas would allow legal p~de~tr~ crossings be~een inter- underpa~s ~hould ~xtend as ~r ~ possible, should ~ections. lhis would mli~ con~e~tion at inter~ections ha~e exiB leadi~ to eve~ adjacent street and should and would allow a ~tron~er ~destrian orientation to the connect to the basements of nearb~ stores toencoura~e street. ~rNers, and ~destrian~ a~ wel. I, would have to be cro~s-usa~e, on ~uard to avoid accident~. City Council Agenda page 291 39