Book excerpt: Ch. 1. Introduction. Background. Project objectives. Technical approach to project. Report organization -- ch. 2. Literature summary. Transit security. Workplace violence. Bus operator training and selection. Video surveillance. Self-defense. Bus operator perspective. International studies -- ch. 3. Survey results. Characteristics of survey respondents. Security provider. Fare and rules enforcement. Standard operating procedures. Definition of "assault". Assault characteristics. Training. Employee assistance. Data collection and reporting. Methods to address operator assaults. Bus operator selection methods. Impact of violence against operators. Effective measures -- ch. 4. Operator protection measures : technology and information management. Barriers. Information management and crime analysis. Video surveillance. Audio surveillance. Automatic vehicle location system. Transit operations decision support system. Emergency communications. DNA kits.