Downgrade NY-110 and NY-231 to primary, with expressway=yes if applicable. These routes are not as good for long distance travel as the nearby parallel motorways, so they shouldn't be at the motorway/trunk level.

Downgrade Hempstead Turnpike to primary. This road is not suitable for long distance travel.

Work on classification of minor roads

Put waterway in culvert rather than the road on a bridge.

Set name=* to actual name of ferry service rather than a description of the route it follows.

Clean up Cross Sound Ferry terminal. Since there's no physical separation between these lanes, they shouldn't have separate ways.

Move official name of bridge to official_name

Make turn restriction more accurate

Add expressway=yes to William Floyd Parkway north of LIE.

Move bridge name from name=* to bridge:name=*.

Add expressway=yes to Patchogue-Mount Sinai Road.

Remove outdated turn:lanes tags

Make parts of Suffolk CR 31 and CR 104 trunk between Sunrise Highway and Cross River Drive. This is part of what is likely the best route between much of southern Long Island and eastern New England.

Make classification consistent through interchange.

Add trunk route between eastern end of LIE and Cross Sound Ferry. This is the best route between eastern New England and eastern Long Island.

Clean up landuse and add landuse=residential for building complex.

Clean up intersection

Add landuse

Work on minor roads.

Work on minor roads.