As we are the specialist for temporary traffic signs, company Proznak and her embranchments take part in most tricky traffic precautions in Czech Republic.

Abbreviated overview of most important operations realized by Proznak:
Arterial road - Wilsonova street 1994
Argentinska street 1996 and 2000
Construction of Strahov tunnel and house breaking in Kartouzska street
stage by 2001, 15th May
Prague city expressway 1998-2000
 
widening of crossroad at Pruhonice 1996
warning lights Ds10 after an accident
on highway