The work is to be carved up into three packages covering footpaths, carriageways and civil engineering and drainage works connected with resurfacing.
The resurfacing packages are estimated to be worth between £10 and £40m each over the course of the deal, with minor civls worth up to £10m.
Interested firms have until 20 February to complete prequalfication documents found on the internet portal: http://supplyhertfordshire.g2b.info/hpf/