The Austin Chronicle » As construction continues on MoPac’s long overdue toll lanes, CH2M, the Colorado-based engineering company responsible for the project’s design and construction – originally scheduled for completion in Sep­tem­ber 2015 – reported in its March 31 quarterly report that its disruption of Austin’s westside commute was “approximately 75% complete.” The delays have come with extreme cost overruns at CH2M; the company estimated them at $121.3 million in March, and blamed both the cost and delays on seemingly everything short of a plague of locusts