Figure 5.
Spatial distribution of the “roadway” feature, separated by the landing direction. Colors correspond to percentile values for the roadway factor score. Map layer OpenStreetMap contributors.
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.