G4 – Proceed only straight or right after the sign

Description:
Traffic sign G4 is a mandatory regulatory sign indicating that only straight-ahead or rightward movement is allowed after the sign. Left turns and U-turns are prohibited.
Characteristics:
Color: Blue background with two white arrows – one pointing straight ahead and one to the right
Shape: Circular
Type: Mandatory (prescriptive) sign
Standard sizes:
600 mm – for urban areas
900 mm – for non-urban areas
Placement:
At intersections where only straight or right movement is permitted
In one-way traffic zones
In temporary traffic regulation areas
Purpose:
To control allowed traffic directions and enhance road safety by preventing prohibited maneuvers