Digging Deeper: Structural Monitoring Keeps Rail Lines on Track
"The objective is to assist the CTA in better managing its assets," says Marron. "Perhaps repair work scheduled to occur in two years can be postponed for 10 years."
"The objective is to assist the CTA in better managing its assets," says Marron. "Perhaps repair work scheduled to occur in two years can be postponed for 10 years."
