From USPS News Link:
USPS has expanded its Surface Visibility (SV) program to an additional 114 sites, bringing the total number to 437 across the nation.
The program is part of the Postal Service’s broader efforts to better use technology and promote the SV application, which improves scanning and makes it easier for business customers to know the whereabouts of their mail and packages.
To further close visibility gaps, USPS also has expanded SV scanning capability to 65 peak annexes and five contracted sites, providing these locations with more flexible technology that uses the cellular network.
SVWeb provides real-time transportation updates on the movement of trailers in the surface network. The data captured is used to identify early, on-time, late or cancelled trips and to evaluate and improve transportation schedules.