Pro vs Free
The Pro version includes everything in the Free version, plus:
Intersection Tool — quickly generate typical intersections
Roundabout Tool — draw circular roundabouts and ring roads
Crosswalk Tool — pedestrian crossings
Chevron Marking Tool — chevron guide-island markings
ZoneGraph generation — AI navigation data
Landscape support and the Landscape attribute
Polygon attribute (e.g. for road arrows) and Polygon profile
Lofting attribute — extruded cross-sections for bridges and interchanges
See also
About MetaRoad — what the plugin does.
Installation — installing the plugin.