Skip to page content

USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

United States Department of Transportation United States Department of Transportation


Match the description of the runway safety sign or marking to the correct sign or marking from the list of four choices. Your session will time out after 30 minutes of inactivity. Your correct and incorrect answers will be revealed at the end.

Question 1 of 23

Match the description to the correct indicator

These markings are used to support the operational need by the Air Traffic Control to manage taxiing aircraft through a congested intersection or for other reasons deemed necessary by FAA. Pilots when instructed by the airport traffic control tower to “hold short of (taxiway designation)” must stop so no part of the aircraft extends beyond the boundary of the intermediate holding position marking.

Page last modified: