Traffic guard
Person who directs traffic through a temporary traffic control zone

Traffic guards, also known as traffic controllers, traffic marshalls/traffic marshals or flaggers, are trained to set up warning signs and barricades to slow down the speed of traffic in a temporary traffic control zone. When they are on scene they will set up equipment to warn approaching traffic about the incident.
01Equipment
Traffic guards use a variety of equipment:
- Signal flags.
- Signal hand sign; called stop/slow paddles in the United States, these are a sign that has 'stop' on one side and 'slow' or 'go' on the other side.
- Traffic vest.
- Helmet (or a hard hat); protecting the head from hazards.

02Automated traffic controls
In some cases, alternatives to human traffic guards are used for traffic control. Traffic guards may be assisted by Automated flagger assistance devices (AFADs) so that they can stay out of the roadway when directing traffic. Temporary traffic lights or yield signs may also be used as an alternative to human traffic guards.

Sources and credits
This article is adapted from the Wikipedia article “Traffic guard”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Traffic signal and Security guard P5292395.jpg by Snake Head 1995, CC BY 3.0
- Советская регулировщица Н. Клименко в предместье Вены.jpg by Леонид Леонидов, Public domain
- Chicago 2007-4.jpg by Alvesgaspar, CC BY-SA 3.0
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