Part I: Work Zone Traffic Control Manual Chapter 1: Introduction and Fundamental Principles Chapter 2: Taper Length Criteria for Work Zones Chapter 3: Buffer Spaces Chapter 4: Protective Vehicle Area and Roll-Ahead Distances Chapter 5: Work Area Duration Chapter 6: Road Type Chapter 7: Advance Warning Signs Chapter 8: Channelizing Devices Chapter 9: Flashing Arrow Panels Chapter 10: Portable Variable Message Signs Chapter 11: Traffic Controllers (Flagger) Chapter 12: Rolling Roadblock Use Guidelines Chapter 13: Night Work