Communication issues between scientists, engineers, politicians, and social activists; Lehan's role as liaison between the scientific and political communities; citizens' advisory committee on transportation quality; dual mode transportation systems; high-speed train transportation between Washington, D.C., and New York City; the high-speed train system in Japan; research on short-takeoff and vertical-takeoff aircraft; NASA and FAA involvement in aircraft research; the Supersonic Transport program (SST); water service vessels and the Maritime Administration; government role in initiating technological research; Lehan's support for federally-funded research into certain modes of transportation; Lehan's preparation to leave the Department of Transportation; air traffic control task force; Lehan's vision of air traffic control and aircraft technology in the 1980s; the members and topics of the air traffic control task force; Lehan's plan to involve universities in regional research facilities.