Warning sign: one-sided narrowed roadway The traffic sign 121-20 ""One-sided narrowed... more

Warning sign: one-sided narrowed roadway

The traffic sign 121-20 ""One-sided narrowed roadway, narrowing on the left"" alerts road users to a danger in road traffic
Outside built-up areas, the traffic sign 121-20 is placed approx. 150-250 m before the source of danger, within built-up areas, shortly before the source of danger
The sign should only be placed if the narrowing is not sufficiently marked by guidance devices
The size of the sign to be selected depends on the maximum permitted speed at the place of installation
For permitted speeds up to 49 km/h, signs with a side length (SL) of 420 mm are sufficient, up to 100 km/h a SL of 900 mm and over 100 km/h a SL of 1260 mm
SL 900mm: for sections with a maximum permissible speed between 21 and 80 km/h
complies with the StVO
Leg length: 630mm, 900mm, 1260mm (depending on the maximum permissible speed)
available in the following versions: flat form (2mm or 3mm), round form, Alform
Notes for fastening:
Flat form: on pipe posts (Ø 60 or Ø 76 mm possible) using hot-dip galvanized pipe clamps by screwing
Alform: on pipe posts (Ø 60 or Ø 76 mm possible) using pipe clamps/clamps made of aluminum