updating a base map of Toronto this morning, trying to balance landscape + infrastructure -- -- higher-res here: jamaps.github.io/maps/toronto...

made a quick chart of Bike Share activity before, during, and after the World Cup game yesterday in Toronto ----- more charts here :) schoolofcities.github.io/fifa-world-c...

photos of the lovely new east don trail from yesterday #biketo #walkto

recently sketched an elevation profile of yonge st, from lake ontario to holland marsh -- higher-res here: jamaps.github.io/maps/yonge-e...

couple quick photos of Lawrence West station while passing through yesterday afternoon -- #toronto #transit #ttc #architecture #photography

two different views of Cedarvale station today #toronto #transit #ttc

mix of architecture at four corners of niagara and adelaide this morning #toronto #photography

recent view along walnut ave #toronto #photography

here's a recent chart of travel mode share by age in toronto --- can view more (and interactive) charts created by Polina Gorn and I here: schoolofcities.github.io/transportati...

recent experiment mapping population density in toronto in a 3d/voxel style with three.js --- higher res: jamaps.github.io/maps/tor-pop... --- #maps #gis #toronto #threejs

recently updated a few charts showing growth in bike share ridership in toronto --- view more here: schoolofcities.github.io/bike-share-t... #toronto #cycling #data

recently charting travel times along 510 Spadina, comparing October 2025 to March 2026 --- (the ~1min improvements approx. align with City's findings on impact of enhanced transit signal priority at king, dundas, and college) #toronto #transit #ttc #dataviz

a few views of new (2025) city of toronto aerial imagery that i was looking at earlier today --- added it to compare with historical imagery on our interactive page here: schoolofcities.github.io/historical-a... #toronto #aerial #gis

recently testing out oblique bar charts as an alternative way to look at bike share trips by hour in toronto #toronto #cycling #data #ggplot2

recently made this little calendar (2025) to look at patterns in bike share toronto ridership higher-res: jamaps.github.io/maps/bike-sh... #toronto #cycling #data

A language map of Montreal by @jamaps.bsky.social which inspired a language map of NYC by me. These and much more in this week's (free) newsletter. www.howtoreadthisch.art/visualizatio...

recently mapped knowledge of french and english in montreal -- (bit of a tri-variate viz experiment) higher-res here: jamaps.github.io/maps/montrea... #montreal #maps #languages #geography

recently mapped knowledge of Arabic in/around Toronto higher-res: jamaps.github.io/maps/toronto... #toronto #qgis #maps #language #geography

recently updated a map showing growth of laneway housing / garden suites in Toronto (2018-2025) check out charts, interactive map, and a few words here: schoolofcities.github.io/gentle-densi... #toronto #maps #housing

Made a quick map of knowledge of Spanish in/around Toronto -- (This was a bit of an experiment - testing out a process of interpolating census data to a bivariate dot grid) Higher-res: jamaps.github.io/maps/toronto... #toronto #qgis #maps #language #geography

recent data doodle - trying to chart trip density along Line 1 in Toronto higher res. and a few words here: schoolofcities.github.io/transportati... #ggplot2 #dataviz #toronto #transit #ttc

always fun to look at old TTC maps like this one from 93 --- when the Harbourfront LRT had a bold line / rapid transit branding shortly after it opened img source: transittoronto.ca/archives/map... #toronto #ttc #maps

recently wrote a blog post about creating a website for viewing historical aerial imagery in Toronto check it out here! :) mdl.library.utoronto.ca/mdl-blog/cre... #toronto #history #maps #gis

little saturday experiment --- trying to parse out travel times and speeds from gtfs schedule data to style a route diagram for the new Eglinton Line 5 higher-res here: jamaps.github.io/maps/line5-t... #transit #toronto #maps #dataviz

check out these detailed maps by Isabeaux Graham showing land-use and demographics along the Eglinton Line 5 corridor higher res here: schoolofcities.utoronto.ca/maps-of-line... #toronto #transit #maps #gis

recent dataviz tracking changes in development / building volumes along the Eglinton Line 5 corridor during its construction few words + higher res here: schoolofcities.utoronto.ca/mapping-deve... #toronto #transit #maps #dataviz

passed a dot density map I made of snow plows in toronto through a kaleidoscope filter and it kindof looks like a snowflake ❄️

Toronto open data has some cool nighttime aerial imagery from 2020 can view it alongside other historical aerial imagery on our page here: schoolofcities.github.io/historical-a...

where do the snow plows go? little weekend project mapping density of ~21 million GPS locations of snow plows during 48-hour period of on/off snow fall in toronto #toronto #maps #gis #dataviz

made a quick interactive #map of building heights in #toronto (2025 data) big fan of #tippecanoe -> #pmtiles -> #maplibre -> #github pages workflow, can pretty easily take a ~300mb .shp like this and viz it in-browser (no fancy db, server, or saas hosting) schoolofcities.github.io/toronto-buil...

Toronto Building Heights

Interactive map of building massing data across Toronto

schoolofcities.github.io