Hello. Thanks for mapping.
You need to use the Maxar Premium Imagery.
Please read and follow the tagging rules on this linked document.
Decision tree, which tag to be used for roads
https://drive.google.com/file/d/1S48CEVi3yiAYWhIJu57jtLyv0ZVUbGwJ/view?usp=share_link
https://wiki.openstreetmap.org/wiki/East_Africa_Tagging_Guidelines
or
https://wiki.openstreetmap.org/wiki/Highway_Tag_Africa

 How to measure the width of a road in IDeditor:
Zoom in as far as possible and draw a line between the shoulders of a trace and click
ctr +shift+M to shows measurements
click on the line between the nodes, and you get the width.
Best regards