State Route Naming
State highways that are primarily signed at entering intersections with a State Route number like 
rather than a road name should be named IN-### ("IN-2").
Locking standard
The following defines a set of minimum locking standards proposed for all roads within Indiana. Any road of a certain type or category must be locked at least to the level in the chart below. Roads may be locked higher for protection and special situations (tricky design, frequent mistakes, imaging inaccuracies, and the like), but should not be locked lower.
It is understood that more rural or inactive areas may not yet meet this standard: editors are encouraged to recruit and mentor additional editors to build coverage.
A great time to implement these locks is while bringing the road types of an area into compliance with the current US road type standards (FC and highway systems). Lock the roads based on type after they've been set to current US Road Type Standards.
| Segment Type | Two-way | One-way | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Freeway | 5 | ||||||||||
| Ramp | Highest lock of connected segment | ||||||||||
| Major Highway | 3 | ||||||||||
| Minor Highway | 3 | ||||||||||
| Primary Street | 2 | 3 | |||||||||
| Street | 1 | 2 | |||||||||
| Private Road | 1 | 2 | |||||||||
| Parking Lot Road | 1 | 1see note | |||||||||
| • • • • Ferry • • • • | 5 | ||||||||||
| |-|-|-|-|-|-|-|-|-| Railroad |-|-|-|-|-|-|-|-|-| | 2 | ||||||||||
| ⁃ ⁃ ⁃ ⁃ ⁃ Runway ⁃ ⁃ ⁃ ⁃ ⁃ | 5 | ||||||||||
| Other named types | 1 | 2 | |||||||||
| Construction (outdated imagery) | 3 | ||||||||||
| Waze Beacons installed | 6 | ||||||||||
Note: One-way PLRs used outside of parking lots, such as alleys and streets through apartment complexes, should be locked at 2. See the GLR major roads page for additional information on the standards listed here.