For this $8-million project, crews relined two sets of aging tunnels along Kanan Road, a rugged and mountainous connection between the 101 Freeway and Pacific Coast Highway. Workers used a novel ...

Furnace tests were conducted on large-scale loaded and restrained reinforced concrete tunnel slabs to evaluate the level of fire damage. Extreme fire events in tunnels may have catastrophic ...

City Transportation Director Blythe Bailey said a large vehicle was responsible Monday for pulling down a large chunk of the liner that had been installed at the ceiling of the Wilcox Tunnel. He said ...

The 1,298-foot-long tunnel opened in 1927. Its rehabilitation started in March, 2023. Work includes concrete repairs; removal of the ceramic tile liner and replacement with fireproof wall panels; ...

The Montour Trail’s Greer Tunnel reopened after a four-month closure. The 235-foot-long tunnel, at mile marker 28.5 in Peters Township, was closed to trail users in mid-July and reopened November 10) ...

The planned 15-month shutdown and $1-billion repair of a critical New York City subway tunnel—three years in the planning and with work underway—is not likely to happen after the eleventh hour ...