National Highways' upgrade of the A19 Testo's junction near South Shields to a three-tier grade-separated interchange, including a new flyover. Delivered by Costain.
Wentworth supported the A19 Testo’s works through design and assurance commissions for Costain, Sword Construction and Keltbray. Structural and geotechnical review provided scrutiny of the proposed construction packages, with independent checking undertaken under separate appointments.








