G1 – Proceed straight only after the sign

Description:
Traffic sign G1 is a mandatory (regulatory) sign indicating that only straight-ahead movement is allowed after the sign. Left turns, right turns, and U-turns are prohibited beyond the sign's placement point.
Characteristics:
Color: Blue background with a white upward arrow
Shape: Circular
Type: Mandatory (prescriptive) sign
Standard sizes:
600 mm – for urban areas
900 mm – for non-urban areas
Where it is placed:
At intersections where only straight movement is allowed
On one-way traffic sections
During temporary traffic organization such as construction works
In restricted access zones
Purpose:
To restrict the direction of movement and improve safety by preventing dangerous maneuvers.