Work on the $35-billion project in Darwin was in final stage, with four cryogenic tanks at 91% completion.

Combined programs will create 300 km of new rail lines and phased tunnels by 2030.

CONEXPO 2017 was set in fast-growing Las Vegas, where the Nevada Dept. of Transportation, 100 years old this year, “has $3 billion in road projects underway in Clark County alone,” said Tony Illia, NDOT public information officer.

The National Nuclear Security Administration’s harshly worded rejection of up to $2.7 million in performance bonuses for 2016 construction progress at the Mixed-Oxide Fuel Fabrication Facility project in Aiken, S.C., has prompted a fiery rebuttal from contractor CB&I Areva MOX Services.