... 120%Saturday EveningWeekday Evening AverageSaturdayWeekday AverageSaturday EveningWeekday Evening AverageSaturdayWeekday AverageSaturday EveningWeekday Evening AverageSaturdayWeekday AverageSaturday ... AverageSaturday EveningWeekday Evening AverageSaturdayWeekday AverageTotal Spadina Palmerston LippincottFigure 18. Toronto Parking Authority average parking lot usage Atpeakdemand,220 of the267off‐streetparkingspacesareoccupied.Asalreadystated,installing a bikelaneorwideningthesidewalkonBloorwouldleave a shortage of 38on‐streetparkingspacesduringpeakon‐streetdemand,andthisshortagemayneed to beaccommodatedelsewhere.Ifthepeakdemandforon‐andoff‐streetparkingwere to coincide–whichtheydonot–therewouldstillremain a surplus of 47spacesinoff‐streetlots to accommodatethelossonBloorStreet. ... Inorder to understandtheeffects of removingonelane of on‐streetparking,theresearchersneeded to knowthecurrentsupply of publicon‐streetandoff‐streetparkinginthearea,andthecurrentrates of usage.Ifonelane of parkingisremoved,merchantsandCitydecision‐makerswillwant to knowiftheexistingparkingdemandcanbeaccommodatedwiththeremainingsupply.(Itisimportant to notethateveniftheremainingsupplycannotaccommodateexistingdemand,municipalitieshavetheoption of constructingnewmunicipalparkinglotsorconvertingsidestreetparking to payparking.Forexample,aspart of thenewlyconstructedSt.Clairstreetcarexclusiveright of way,TPAisbuildingnew‘GreenP’lots to makeupforsome of theloston‐streetparking.)Ratherthanusingobservationaldata,parkingcapacityandusagedatawasrequested from theTorontoParkingAuthority(TPA).BecausetheTPAnowexclusivelyemployspay‐and‐displayparkingmachinesforon‐streetparkingandinmostmunicipalparkinglots(‘GreenP’lots),theTPAhas a robust,sophisticated,andreliablesystemfortrackingparkingusage....