Guide and service signsQuestion 74 of 223
Blue square with a white border and the white word GAS

What does a blue sign like this one tell you?

  1. A road user service, such as gas, is offered
  2. You must stop to buy fuel before you go on
  3. A gas station is the only road user allowed ahead
  4. A work zone is ahead on this road
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Correct answer: A road user service, such as gas, is offered

General Service signs have a white legend and border on a blue background. They show road user services such as gas.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 2I.02 General Service Signs for Conventional Roads, page 516

Practice guide and service signs

Questions last reviewed: 18 October 2026