Service and recreation signs
Gas sign
Fuel is sold at the next exit.
- Square
- Blue
- MUTCD D9-7
How to recognize it
Shape and background first
ShapeSquarea square
BackgroundBlueblue, used only for motorist services
FamilyService and recreation signsFederal designation D9-7 in the MUTCD.
Federal designation D9-7 in the MUTCD, the national standard every state signs to. Usually grouped with food and lodging icons on one panel, with a separate logo sign listing specific brands appearing closer to the exit.
What the MUTCD specifies
Designation: D9-7
MUTCD Section 2I.02
Conventional road size: 24 x 24 in
Source: Federal Highway Administration, MUTCD 11th Edition (December 2023), Part 2, Table 2I-1, verified 2026-09-26.
On the test
What the test wants you to know
The mistake people make
A blue sign only confirms the exit has gas stations, not that any of them are open at that hour or take the payment method in your wallet. On a written exam that gap is usually the wrong answer choice for questions about guaranteed availability.
Same family
