A developer's challenge to approval for plans to extend the Dart line to Drogheda is close to resolution, the High Court has heard. Photograph: Getty ImagesA company controlled by developer Sean Reilly is set to resolve its High Court action over a grant of planning permission for an extension to the Dart line, the court has heard. As part of the plans for Dart+ Coastal North, CIÉ proposes to acquire sections of these lands, some permanently and others temporarily. According to court documents, CIÉ – a proposed notice party to the action – says the land is required for the extension of the line.. In its judicial review proceedings, Alcove Ireland Three claims the commission’s decision to grant permission for Dart+ Coastal North is invalid for various reasons, including that it interferes with the company’s property rights.