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DougGrinbergs's Notes

Notes submitted or commented on by DougGrinbergs

Id Creator Description Created at Last changed
4850842 DougGrinbergs

who knows where Greenland wildlife overpass crossing is being built? MM 165.4 as per https://www.codot.gov/projects/i25greenlandwildlifeoverpass
also https://www.cpr.org/2025/07/09/i-25-wildlife-overpass-bridge/

5107824 DougGrinbergs

Grand re-opening was 25-10-19 https://bouldercolorado.gov/projects/sawhill-ponds-trailhead-project
revamped trailhead, parking area, connecting paths need more work.

4312779 DougGrinbergs

need library footprint, updated street, parking lot, walkways. tough to do w/outdated sat images, missing Mapillary, KartaView tracks (:-(

3120104 DougGrinbergs

Asked about getting some EV chargers and learned that they're coming in the near future.

5024381 DougGrinbergs

Future site of Thornton / Broomfield I-25 mobility hub https://www.youtube.com/watch?v=fwYYsegMqAw expected to open fall 2026
https://www.codot.gov/news/2025/may/cdot-thornton-broomfield-break-ground-on-i-25-mobility-hub

5024240 DougGrinbergs

ways are off by 15-20 feet relative to both Mapbox and Esri World sat images. I give up trying to add street furniture relative on top of seemingly flaky ways (:-(

3730043 DougGrinbergs

bike/ped Sheridan Underpass (a/k/a Sheridan Boulevard Multimodal Transportation Improvement (MTI) Project) opened 2023-06-10. many changes. see Mapillary, GPS tracks.

News release: https://www.cityofwestminster.us/News/TheWestyWord/Story/making-the-connection-new-us-36sheridan-underpass-opening-june-10

Will be interesting to see when updated images appear in various satellite provider data. (Esri World, Maxar Premium most recent, appear to be identical, just offset by a few feet)

2832123 DougGrinbergs

‘oldest and most interesting’ building in a decaying Denver rail yard burned:
https://denverite.com/2021/09/01/the-oldest-and-most-interesting-building-in-a-decaying-denver-rail-yard-burned-earlier-this-week/

4831388 DougGrinbergs

crosswalk belongs here. tried fixing in a couple of ways but too gnarly/ugly/complicated (:-(

3991834 DougGrinbergs

Missing: Costco building(s), access roads, parking, street furniture. 4/4 main sat image backgrounds show forest. Other adjacent development?
Resource: town GIS parcel map. Basemap: NearMap Current
https://webapps2.cgis-solutions.com/scarboroughAdvanced/