Cross-sections and options
Each option keeps its own cross-section, so you can compare it with the existing street.
Street design for every state, starting with California.
Make room for a better street.
Bring a street into fifty1. Shape its cross-section, compare design options, and review checks with their references, in one workspace.
fifty1 is in private preview.
From a street on the map to a plan sheet.
Built for traffic engineers, transportation planners and city street-design teams.
Bring in a street
Click a street on the map, or draw a new one.
Shape the cross-section
Change its lanes and save each idea as a design option.
Check and export
Review the checks, compare options and export plan sheets.
Options you can compare, check and export.
Checks with their references
Each finding shows its reference and verification state, and missing inputs stay visible.
Checks cite
- California MUTCD (2026)
- Federal MUTCD (11th Edition)
- Caltrans Highway Design Manual (7th Edition)
- PROWAG
Plan sheets and GIS files
Export plan sheets as PDF, SVG or PNG, and GIS files as GeoJSON, KML or Shapefile.
Why fifty1
One more than fifty.
The name is one more than fifty: a workspace meant for every state’s streets, and for the places beyond them. Every state adds its own rules to the national ones.
fifty1 starts with California and the federal MUTCD, cites the source of every rule it checks, and grows from there. You decide what the street should become.
Give your next street room to take shape.
fifty1 is in private preview.
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