Taconic was designated a State Scenic Byway in 1992, and a multidisciplinary Corridor Management Plan was drafted and implemented seven years later to ensure that future changes to the road preserved and improved safety with minimal impact on its scenic and historic character. The next year the parkway was inventoried for the Historic American Engineering Record. In the 21st century, DOT began addressing safety issues in Dutchess County, where traffic counts had increased by 7–11% annually since the 1970s. A 2003 task force report recommended action on many of the grade intersections, closing some completely while closing just the medians on others. Only the Salt Point Turnpike (NY 115) junction was spared. There was some local controversy about the changes. Residents of some rural areas worried that the intersection closings would isolate them, and preservationists felt cell phone towers would detract from the scenic beauty along the parkway. Other residents welcomed the construction of noise barriers along sections that bordered near their homes. There are no plans currently to modify any of the grade intersections north of Route 199, where use of the parkway has not significantly increased. The grade intersection at Pudding Street in Putnam County was replaced by a new diamond interchange between 2019 and 2021. The state had previously added turn lanes and widened the median so that a school bus would not block the road, but members of the county's Traffic Safety Board, including the sheriff, said that accidents were still too frequent. Similarly, there has been talk in Dutchess County of replacing the Carpenter Road intersection with an interchange. When the parkway was listed on the National Register in late 2005, the entire right-of-way from Kensico Circle to the Thruway merge was included, creating a linear historic district. These make the parkway the third largest Register listing in the state. The entire parkway, right-of-way and supporting buildings and structures were considered contributing except for the of rebuilt roadway between the former Hawthorne Circle and Crom Pond Road and 23 bridges in the southern three counties. The parkway got another state park in 2006, when another wealthy individual donated land. Donald Trump had bought along the east side of the road near the Westchester–Putnam county line in 1998, intending to develop it into a hotel and golf course. Local opposition was considerable, and he decided to donate the land to the state. It is now Donald