gråkallbanen is working on a number of plans as of 2006. these include an extension of the line to the harbour area via olav trygvasons street and trondheim central station. a short stretch from st. olavs gate to nearby prinsenkrysset, regarded as part of this plan, was given the green light in 2006, the building was supposed to start in 2009, when the nordre avlastningsvei (northern bypass) was due to open and supposedly relieve the city centre from car traffic.