TCRP Report 142: Vehicle Operator Recruitment, Retention, and Performance in ADA Complementary Paratransit Operations provides guidance on the relationships that influence and enhance operator recruitment, retention, and performance in ADA complementary paratransit services. This report includes examples of programs, efforts, and industry best practices and provides suggestions and methods for improving operator recruitment, retention, and performance. The information in the report is formulated to help public transit agencies improve productivity, manage costs, and offer passengers improved ADA paratransit service quality. The report covers ADA complementary paratransit services that are contracted out, provided in-house, or operated through a brokerage.