East of Knuth Road, Boynton Beach Boulevard enters incorporated Boynton Beach and becomes more commercial, with the Boynton Beach Mall a few blocks to the north, and SR 804 intersecting with Congress Avenue, which like Military Trail is a state-turned-county road. It continues east, now with a speed limit of , heading for an interchange with Interstate 95 (I-95), entering downtown Boynton Beach east of the interchange, with the road ceasing to be a divided road east of NW 4th Street.
Boynton Beach Boulevard, starting east of Knuth Road, enters incorporated Boynton Beach and becomes more commercial. The Boynton Beach Mall is nearby, as are SR 804 and Congress Avenue, which like Military Trail is a state-turned-county road. The route continues east at , heading for an interchange with Interstate 95 (I-95), entering downtown Boynton Beach east of the interchange, where the road ceases to be divided east of NW 4th Street.