To work with Mapillary on OpenStreetMap’s web based iD Editor, enable the Mapillary layer:
You can then follow roads to look for speed limits or turn restrictions as seen in the animated gifs below.
Mapping a turn restriction in iD Editor.
Mapping a speed limit in iD Editor.
Mapping with JOSM
OpenStreetMap’s desktop editor, JOSM, does not offer direct Mapillary integration, but you can use the Mapillary website to browse images while editing in JOSM. The website comes with an edit button that allows you to hop directly into JOSM or iD Editor. To map turn restrictions, first install the necessary plugin in JOSM: