According to a recent estimate from the American Trucking Associations, there was a shortage of 80,000 truck drivers in 2021. The pandemic worsened an already existing shortage, impacting a number of industries, from retail to manufacturing . . . to mail. Truck drivers are an essential part of the Postal Service’s transportation network. The Postal Service relies on over 9,000 USPS-employed drivers and thousands of contractors to move millions of mailpieces each day across the nation’s highways...