WASHINGTON, Pa. — Truckers nearing the end of their workday often seek out the Pennsylvania Turnpike’s New Stanton service plaza to park their rigs for the night. And find no spaces.

Around 2,000 U.S. Postal Service employees nationwide are in quarantine over concerns that they may have been exposed to coronavirus, and more than 60 have tested positive for the virus, according to the National Association of Letter Carriers and the Postal Service.