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Hammond Drive corridor project: staff present updated alignment, roundabouts and T-SPLOST funding plan

City of Sandy Springs — Board of Appeals & Planning Commission Retreat · March 24, 2026
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Summary

Project staff presented a narrowed first-phase build of the long-planned Hammond Drive corridor improvements, showing a new northern alignment for the primary section, roundabouts, pedestrian connections and an expected construction start later this year subject to final bidding and T-SPLOST funding.

Alan Johnson, the project manager, presented the Hammond Drive corridor update at the retreat, emphasizing that the current phase focuses on an identified segment from Roswell Road toward Glenridge that had previously been planned as a larger, more expensive scheme.

Johnson said the current concept keeps much of the existing Hammond alignment as a residential street while constructing a new northern alignment for the multi-lane boulevard in the project area. The planned improvements include roundabouts at key intersections, a bridge over a low point at Keron to allow pedestrian access beneath the new roadway, multi-use paths and landscape medians with low-growth plantings where structural walls require slope stabilization.

On funding, staff explained the project's T-SPLOST history and tiering (85% collections = Tier 1 absolute priorities, 100% = Tier 2, 115% = Tier 3) and said the segment is a Tier 1 item from prior cycles. The team expects to advertise construction this spring or early summer and to begin construction later this year, with a roughly three-year construction schedule depending on bids and final budgets.

Johnson said many of the privately owned properties in the alignment were acquired through right-of-way purchases earlier in the program; where the new alignment bypasses existing residential Hammond, the old road will be retained as cul-de-sacs or local streets and the new alignment will carry through traffic.