Roadways at different angles to the maximum principal stress have different levels of stress concentration.
The protesters shut down a number of major roadways at the height of the movement in December.
The building stands at an intersection of busy roadways at the edge of the Olympic park, a short drive from the city center.
In recent days, protesters held sit-ins and blocked roadways at immigration detention centers in several cities. "For our families, this is intensely personal," Kica Matos of the Fair Immigration Reform Movement, a rights coalition, said Friday.
So far, the new employees have cleared downed trees and branches, repaired pipes, bridges and roadways at 18 county parks, including Wilson Woods, Glen Island and Saxon Woods, and in municipalities like Ossining and Peekskill.
The operation of the roadways at the intersection was videotaped and the traffic flow data was extracted from these tapes and analyzed using SIDRA (signalized and un-signalized intersection design and research aid) software.
