Multiple roads in Greenville County will be experiencing rolling roadblocks as part of a manhole cover inspection process. Manhole covers are an often overlooked key component of our infrastructure.

Coley also said manhole flooding was only one element that led to a failure at Miami-Dade’s Virginia Key sewage treatment plant on June 4, which sent about 750,000 gallons of sewage into the bay ...

Our contact at the NYC Department of Environmental Protection says, “The principal reason that manhole covers are round is so they won’t fall into the manhole.” Each manhole cover sits on a ...

It takes viewers behind the scenes of the largest manhole cover manufacturer in the country, Hinode Suido, in operation for more than 100 years. Subscribe to the Design newsletter.