The Tallahassee-based Florida TaxWatch is raising questions about the cost and need for a project that would extend the Suncoast Parkway from Citrus County to Jefferson County at the northern end of the state.

But TaxWatch, which weighs in on numerous state fiscal issues, is not joining groups opposed to the road, which is one of three major toll road projects that the Legislature backed last year to stretch from Collier County to Jefferson County.