Warehouse development, truck traffic kept rolling in 2020 in the Lehigh Valley Updated Jan 30, 2021; Posted Jan 30, 2021 Warehouse complexes in the Breiningsville section of Upper Macungie Township are seen from above March 4, 2020.Saed Hindash file photo | For lehighvalleylive.com Facebook Share Warehouse construction and truck traffic, two hallmarks of the eCommerce boom, continued to grow in 2020 across the Lehigh Valley, according to local planning studies released this week. Among the findings were continued strong residential construction, with plans submitted for 513 new homes in December alone across Lehigh and Northampton counties, said commission Executive Director Becky Bradley. “In a global pandemic, it didn’t really slow development down in the Lehigh Valley,” she said.