| Airports |
Shipyards |
| Hangar Aprons
Terminal Apron - Parking |
1
0.5 |
General |
5 |
| Building
Construction |
Storage
Yards |
| General Construction |
10 |
Active
Inactive |
20
1 |
| Bulletin
Boards |
Sports |
| Light Surfaces
Dark Surfaces
Loading Platforms |
20/5
50/1000
20 |
Baseball |
| Parking
Areas |
Recreational |
15/10 |
| Vehicular
Traffic |
Basketball |
| Low Activity
Medium Activity
High Activity |
0.5
1
2 |
High
School
Recreational |
30
10 |
| Railroad
Yards |
Playgrounds |
5 |
| Switch Points |
2 |
Tennis |
| |
|
Club
Recreational |
20
10 |