As part of the strategic analysis of Greater Copenhagen, included in the agreement on a green transport policy from 29th January 2009, the Danish Transport Authority has completed a screening indented to:

Assess the possibilities of expanding the public S-train services to Helsingør and Roskilde in a short term.
Estimate the construction costs and examine the consequences for the other regional railway services as well as any other traffic aspects, state of rail supply, the link to the signal programme etc.