| Line Name | surface | routes | total miles | gap | off_road | on_road | closed | unknown | other | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| map Hot Metal to Swinburne Road | Trail Open Asphalt | swinburne,pghParks | 0.3741 | 0.3741 | |||||||||||||||||
| map through the Swinburne Parking Lot | Road Low Volume Asphalt | swinburne,pghParks | 0.0547 | 0.0547 | |||||||||||||||||
| map Swinburne Parking Lot to 2nd Ave | Trail Open Protected Bike Lane | swinburne,pghParks | 0.0671 | 0.0671 | |||||||||||||||||
| map 2nd Ave to soccer field parking | Trail Open Protected Bike Lane | swinburne,pghParks | 0.453 | 0.4530 | |||||||||||||||||
| map Soccer Field parking to Panther Hollow Lake | Trail Open Asphalt | swinburne,pghParks | 0.5331 | 0.5331 | |||||||||||||||||
| Swinburne Connection | total for Trail | 1.482 | 1.4273 | 0.0547 | |||||||||||||||||
Trail Lines are typically entered by tracing satellite imagery to extract latitude/longitude coordinates. The accuracy of these coordinates changes depending on the source of the photo and the precision of placement. I have seem satellite edges mismatched on the order 55 feet. Line work is sometimes extracted from the Open Street Map Project and from Strava heat maps.
>Milepost Known milepost (are placed on the map when they are visible in the satellite image or can be located via to visible features in the image. Other miles posts are extrapolated using calculations along the rail line. Note Railroads have also been known to realign trackage and not move existing mileage markers, only making an annotation on their paper maps.
Distances Above are based on the google map distance between two points along the line work.