Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The open-field environment: (a) Representation on a map, with the red line marking the selected road and the red arrow indicating the position of the roadside unit (source: © OpenStreetMap contributors (“https://www.openstreetmap.org/copyright” (accessed on 29 September 2024))). Map data are available under the Open Database License (ODbL). (b) Photo.
