Highway for Gmail is a browser extension designed to enhance security and transparency when dealing with motor carriers through your Gmail account. This tool allows users to gain insights into the authenticity of email senders, ensuring that individuals and companies involved in freight transportation are legitimate. By simply clicking on an email, users can access vital information about the sender, helping to mitigate risks associated with fraudulent communications.

The extension features several key functionalities, including detection of lookalike domains that may indicate attempts at fraudulent representation, as well as the capability to identify approved third-party dispatch services. Additionally, users can request verification of identities directly through the extension, promoting accountability in communications. An active subscription to Highway is required to utilize this extension effectively.