Gaimen50-question practice tests in the real exam format
No overtaking (auxiliary sign)
追越し禁止(補助標識)（おいこしきんし）
Meaning
An auxiliary sign attached below the "No crossing to the right side of the road for overtaking" sign (314), indicating that overtaking (追越し) itself is prohibited.
Common mistake on the test
When this auxiliary sign is attached, all overtaking is prohibited, including overtaking that does not cross to the right side.
Supplementary signs
Within this section (auxiliary sign)
Restriction begins / From here (auxiliary sign)
End of restriction / Up to here (auxiliary sign)
Parking clearance (auxiliary sign)
Railroad crossing caution (auxiliary sign)
Vehicle type (auxiliary sign)
School zone (auxiliary sign)
Priority road ahead / Yield (auxiliary sign)