The section of the Sprain Brook Parkway between Tuckahoe Road and Jackson Avenue in the town of Greenburgh was slated to cost $4.103 million (1961 USD), a stretch of with of access roads. This new portion would have six lanes, with three on each side of the Grassy Sprain Reservoir, which would split the parkway in each direction. Bids were expected to be opened on November 16, 1961 for the extension of the new parkway, maintained by the East Hudson Parkway Authority. The new stretch of parkway was constructed throughout 1962 and 1963, with the East Hudson Parkway Authority announcing the opening of the extension on December 23, 1963 at a cost of $3.6 million (1963 USD). The new interchange with Jackson Avenue would also serve Sprain Ridge Park, which was also being opened at the same time as the new parkway.