Any fleet that delayed adopting electronic logging devices until right before the deadline was faced with a lack of inventory and support delays as providers became overwhelmed. A similar scenario could potentially repeat itself as AT&T, Verizon and other carriers prepare to shut down their 2G and 3G cellular networks.
Verizon was among the first carriers to announce a shutdown date — Dec. 31, 2020 — although the company has now pushed that back to December 2022. AT&T said it will shut down its...