This proceedings, "Automated People Movers IV", includes 72 papers presented at the Fourth International Conference on Automated People Movers (APMs) in Irving, Texas on March 18-20, 1993. A wide range of topics are covered including: history, planning, design, construction, implementation, and procurement and applications. Papers are also included on vehicles and subsystems, personal rapid transit (PRT), and cable systems. This volume's diverse coverage makes it a valuable reference source in the field of automated people movers.