Researchers in Missouri are deploying an additive derived from plastic straws, bags and bottles into a test road in hopes of increasing asphalt pavement life and environmental benefits.
OSHA has proposed $23,210 in penalties against PCL Civil Constructors Inc. for two serious federal safety violations in the April death of Jose Armando Maqueda Mejia when a bridge section collapsed.
SNC Lavalin, EllisDon and ACS Infrastructure JV is under scrutiny related to a 30-year Confederation Line maintenance contract and design and construction issues, but one transit observer also questions the city's project specifications.