sats_pl anning_conferen ce 6 21 99 figure 1 nasa office ofaero space technology national general aviation roadmap small aircraft transportation systemsats planning conference overview by bruce j hol mes a viation program june 999 2 the challenge executive summary problem nation s 1st century transportatio n demand cannot be satisfied b y planned investments in hub and spoke highway systems solution system sats concept can satisfy large portion of relieving p ressure on existing gro und air co nference establish research priorities partnership requirements to develop deploy frastructure vehicle technolog ies analysis 15 years data 70 metro areas adds growing body evidence that construction is an ineffective means managing congestion fact numerous studies indicate often generates more traffic raisi ng levels given enormous cost our officials need investigate broader menu relief measures include other modes new pricing
