Academicians suggested ideas that eliminated the need for planned long shutdown of key L Train line.

Pennsylvania Gov. Tom Wolf (D) released safety guidelines on April 23 for construction crews to follow when they are allowed to return to work on May 1.

Dam owners, state and local authorities must do a better job of understanding the history of the dams in their inventory as well as preparing for ice runs that could destroy dams like Nebraska's Spencer Dam, which collapsed under the weight of heavy rain combined with cold temperatures and frozen ground last spring.