notice the united states government does not endorse products or manufacturers trade names appear herein solely because they are considered essential to objective of this report documentation page form approved omb no 0704 0188 public reporting burden for collection information is estimated average 1 hour per response including time reviewing instructions searching existing data sources gathering and maintaining needed completing send comments regarding estimate any other aspect suggestions reducing washington headquarters services directorate operations reports 1215 jefferson davis highway suite 1204 arlington va 22202 4302 office management budget paperwork reduction project dc 20503 agency use only leave blank 2 date november 2000 3 type dates covered final 1999 october 4 title subtitle benefits assessment advanced transportation system technologies update 5 funding numbers tt50 u0203 6 author s dennis l goeddel 7 performing organization name address es us department research special programs administration john