flagger

n.

野生鸢尾花；

Flagger/marker/locator
Evaluation of Automated Flagger Assistance Devices
Evaluations of a new Advance Flagger traffic sign
Traffic Control at Flagger-Operated Work Zones on Two-Lane Roads
Flagger Operations: Investigating Their Effectiveness in Capturing Driver Attention
Devices and Technology to Improve Flagger/Worker Safety
Evaluation of Technology-Enhanced Flagger Devices: Focus Group and Survey Studies in Kansas
Development of a Moving Automatic Flagger Assistance Device (AFAD) for Moving Work Zone Operations
Implementation of Automatic Flagger Assistance Devices (AFADs) for Minnesota Department of Transportation Flagger Operations
Field Evaluation of Pilot Vehicles and Portable Traffic Control Signals With and Without a Flagger