What This Source Covers
Railroad linework with system, user, and feature code fields from the county rail source.
This source adds rail corridor context that is often missing from the base map at municipal scale.
Why Someone Would Open This Page
This source appears on 193 of the 219 mapped place pages in the Allegheny County section, including 116 borough and township pages and 77 Pittsburgh neighborhood pages. That gives a quick sense of how broadly the layer is used across the county.
The example below is here to make the source concrete. Instead of talking about the layer in the abstract, the page shows what it actually looks like on the map.
Example Map
This page uses 018 – Railroad Lines in East Allegheny as the example area. Dense sources use a full selected place; lighter sources use the full sample area.
Live Example Map
Railroad Lines
East Allegheny / Infrastructure / line sample
Full neighborhood railroad-line sample.
Quick Facts
| Fact | Current value |
|---|---|
| Rows in the source | 10,819 |
| Main data fields | 6 |
| Total fields | 8 |
| Source system | PASDA AlleghenyCounty MapServer layer 6 |
| Map geometry | PASDA layer 6 |
| Mapped place pages using this source | 193 / 219 (88.1%) |
| Example area used here | East Allegheny |
| Features drawn in this example | 118 |
Where You Will See It
| Place type | Coverage |
|---|---|
| All mapped place pages in the county section | 219 |
| Pages using this source | 193 (88.1%) |
| Borough and township pages | 116 / 129 |
| Pittsburgh neighborhood pages | 77 / 90 |
| Pages where the source is hidden | 26 |
For Technical Readers
- Source table:
[WPRDC PASDA].[018 - RRLines] - Refresh procedure:
[WPRDC PASDA].[018 - RR lines update] - Documentation map table:
[Allegheny].[WPRDC PASDA MAPS].[Documentation Map - 018 - Railroad Lines] - Metadata timestamp: 2026-03-16T17:09:07.925Z
Field List
The table below lists the current columns in [WPRDC PASDA].[018 - RRLines].
| # | Field | SQL type | Nullable | Role |
|---|---|---|---|---|
| 1 | OBJECTID |
nvarchar(4000) |
Yes | Attribute |
| 2 | SYSTEMID |
nvarchar(4000) |
Yes | Attribute |
| 3 | USERID |
nvarchar(4000) |
Yes | Attribute |
| 4 | FEATURECOD |
nvarchar(4000) |
Yes | Attribute |
| 5 | UPDATE_YEA |
nvarchar(4000) |
Yes | Attribute |
| 6 | SHAPE_Length |
nvarchar(4000) |
Yes | Attribute |
| 7 | geometry_type |
nvarchar(200) |
Yes | Geometry storage |
| 8 | geometry_json |
nvarchar(max) |
Yes | Geometry storage |