The road will provide an uninterrupted link from Tignè to Qui-Si-Sana road. It will be a two lane, eight-metre wide stretch, with each lane being 3.75 metres wide, allowing a 65 centimetre central strip and a 65 centimetre rumble strip – differently textured strips intended to alert drivers that they are close to the edge of the road – on the outer side of either lane. There will be no pavements as the tunnel will not be open for pedestrian use.

The application presented to the board included a request for permission to dig beneath part of a garden battery that was found some time ago when work connected to another part of the project revealed the structure. The battery is a historic underground construction that was previously believed to have been completely destroyed. Both the Manoel Island and the Tignè Point development briefs did not envisage retention of this structure and included its areas as part of the development footprint. The battery originally consisted of three gun emplacements and two sets of interlinked rooms. In should include a ditch to the north and also a wide earthen banquette south-eastwards, a main entrance and a battery command post. However most of these structures were lost, as the British Military cleared the area to construct their barracks.

The developers have now been given permission to excavate, dismantle and reconstruct part of the garden battery, as a section of the trunk road will pass beneath it. The work planned includes the dismantling of parts of the masonry wall of the easternmost casement, which contains partly underground magazine stores. The intention is for these to be rebuilt. The planned route of the road aims to preserve the three gun emplacements.

The green light was given after a favourable recommendation by the planning directorate, which in turn consulted a number of authorities on traffic and safety issues.