Since conversion and development of Elizabeth Quay, however, Barrack Street now carries both directions of State Route 53 north of The Esplanade before switching to State Route 5 south of The Esplanade.
The shift in traffic flow on Barrack Street was a consequence of the growth and transformation of Elizabeth Quay, which now handles traffic from both directions on State Route 53 north of The Esplanade before switching to State Route 5 south of The Esplanade.