In July 2021, legal challenges against the greenway planning permissions and associated compulsory purchase orders, as well as environmental impacts, were dismissed. It was announced that leave to appeal applications and further challenges would be assessed in November 2021.[3][4] On 15 October 2021, it was reported that planning permission to construct the greenway was upheld.[5] By December 2021, Supreme Court proceedings had been initiated.[6] On 8 February 2022, the Supreme Court rejected the applications seeking leave for appeal, and Kerry County Council announced that it could "now proceed with the construction of the greenway".[7][8] As of May 2023 the greenway was under construction.[9]
As of December 2023, Kerry County Council proposed that a "main contractor" for the works would be appointed in mid-2024 and that the greenway could be completed by mid-2026.[10]