Since it was established in 1996, Sound Transit – the regional transportation agency for the Seattle and Central Puget Sound…
Much has been made worldwide of the difference in performance between new and rebuilt TBMs. Worldwide, a bias exists that…
Each year, TBM: Tunnel Business Magazine takes a look at the coming year by polling a sampling of tunneling professionals. How is the year ahead shaping up? What are the emerging trends?
Sewer utilities are not often among those who shake the foundation of conventional thinking. DC Water, however, took a new approach to constructing its Blue Plains Tunnel and proved that utilities can also be innovative and creative.
Bertha – the world’s most famous tunnel boring machine – reached her final destination amongst much fanfare on April 4, breaking through into the north portal near Seattle Center and the Space Needle.
Mexico’s Túnel Emisor Poniente (TEP) II is a study in transitions—much of the tunnel travels through andesite with bands of tuff, below mountain ranges and through fault zones.
Each year, TBM publishes a tunneling industry outlook by polling a sampling of tunneling professionals. Most agree that demand is high for tunneling.
The City of Fort Collins, Colorado, was faced with a challenging repair to the Michigan Ditch high in the Rocky Mountains. Tunneling provided the solution.
Sound Transit Forging Ahead Since it was created 20 years ago, Sound Transit has been actively engaged in building out…
A $2.1 billion public-private partnership (P3), the Elizabeth River Tunnels project is one of the largest P3 projects in the United States and the first P3 tunnel project. The ERT mega-project involves the development, finance, design-build, and operation and maintenance of four regional transportation infrastructure assets including a new two-lane tunnel.