The first section notes that although there is no ideal model for providing transitional living services to homeless adolescents, such programs have several basic elements: program structure, physical setting, geographic context, cultural aspects, theoretical/clinical base, service linkages, and training. These elements are discussed in detail. The main body of this monograph focuses on transitional programming for subgroups of homeless youth whose emotional, medical, or life situations present unique obstacles to their successful transition to independent living. These subgroups are the developmentally delayed, those infected with the human immunodeficiency virus (HIV), and pregnant and parenting adolescents. Separate chapters discuss the special needs of each of these groups, identify the particular transitional services each should receive, and discuss issues of program planning and staffing. A 24- item annotated bibliography, an annotated list of resource organizations, and profiles of transitional programs for homeless youth throughout the Nation