Nye Veier shall expand the E18 Rugtvedt-Dørdal to a four lane motorway in the period June 2017 to December 2019. The contract with the turnkey contractor is expected to be signed 10 May, with a quick start-up of the site work on the stretch, most likely in June. Nye Veier invites qualified tenderers to submit a tender for environment monitoring of streams and river systems outside the site area during the construction period, as well as an option for one to two years follow-up examinations.