Monitoring the Invisible Measurements

HRBT Tunnel Talk by Virginia Department of Transportation

Apr 8, 202524:08Education

Sean Johnson has a keen eye out for movement and unforeseen changes at the HRBT Expansion Project. In this installment of HRBT Tunnel Talk, hear Sean explain how he relies on "invisible" measurements to help detect chang...

Related Episodes

Continue listening to more episodes from HRBT Tunnel Talk.

Mary's Milestones Delivering the HRBT twin bored tunnels

Dec 19, 2025 - 28:01

Mary, The Tunnel Boring Machine arrived with fanfare, performed flawlessly, and is preparing to head home...

HRBT New South Trestle Bridge Opening

Dec 2, 2025 - 29:27

There's a new bridge in town! November ushered in the opening of the South Trestle superstructure spannin...

Eyes in the Sky over the HRBT Expansion Project

Oct 30, 2025 - 05:24

Ron Brown keeps an eye on the HRBT Expansion Project in Virginia each month through the lens of one of hi...

Summer Camp at the HRBT Welcome Center

Jul 9, 2025 - 17:01

The HRBT Welcome Center is rolling out the welcome mat to school-age children attending summer camps acro...

Five Year Success Story: Bird Monitoring AT Hrbt Expansion Project

May 30, 2025 - 20:05

Sunshine, surf and favorite eating spots bring more than just tourists to Hampton Roads from April throug...

Mary The Tunnel Boring Machine is heading toward the half-way point of her second HRBT tunneling journey

Mar 11, 2025 - 26:17

She recently got a BIG BOOST to help her complete a new twin tunnel. Listen to find out where Mary is Now...

Meet the Visionaries: The Engineers Driving the HRBT Expansion

Feb 25, 2025 - 31:12

National Engineers Week in February celebrates the amazing accomplishments of talented men and women who...

Barges, Tugs, Boats and Bridges

Dec 23, 2024 - 32:04

Barges, tugs, boats and bridges. The HRBT Expansion Project team coordinates it all. And the Team brings...