MD SB674

Establishes three Regional Transportation Authorities as state instrumentalities: Baltimore Region (Anne Arundel, Baltimore, Howard counties and Baltimore City), Capital Region (Frederick, Montgomery, Prince George's counties), and Southern Maryland Region (Calvert, Charles, St. Mary's counties)

Imposes a 0.5% transportation authority sales tax surcharge on retail sales, a 1% hotel surcharge, and a 0.15% transfer tax surcharge on property transactions within the three regions, with revenue split 70% to regional transportation funds and 30% to local counties/municipalities

Creates three special, nonlapsing transportation funds administered by each authority's executive director, with at least 30% of each fund required to be spent on transit projects annually

Authorizes each authority to develop regional transportation plans, evaluate and rate projects based on congestion reduction and mobility improvement, issue tax-exempt bonds for transportation facilities, and recommend priorities to state and federal agencies

Takes effect October 1, 2026, with authorities governed by boards including county executives, municipal representatives, state legislators, and gubernatorial appointees, and required to submit annual reports to the General Assembly starting January 1, 2027