FOR URBAN AUTHORITIES
Test the plan before the council votes.
A clean air zone, new signal timings or a new line, tried on a simulated weekday of your own city before anything is built.
- Every resident’s day
- Today against the change
- Run by your own planners
CITY TRANSPORT DEPARTMENTS
A clean air zone, tested before it is signed.
Paint the zone and choose the vehicles let in. Polycity runs a weekday of the city with the zone and without it, and the study shows what changes.
Ask for a clean air zone studyWhat the study shows
- Nitrogen oxides and particulates, street by street
- Trips that leave the car, and how they go instead
- Residents better off, by income
- Benefit and cost a year


- Empty road
- 1.6 × as long
- 2.5 × as long
- Tallinn, Kesklinn, 8:00 on a weekday
- 1Paint the zone
- 2We run the weekday twice
- 3Take it to council
Signal timing
When each light turns green.
Liivalaia and Pärnu mnt, lights every 90 s
- Delay on the approach
- Longest tailback
- Grade of each approach

A new line
Where the line should run.
A tram from Pronksi into Lasnamäe, 6.4 km
- Boardings on the line
- Jobs within 30 min
- Trips by car

A closed street
How long works can close it.
Gonsiori closed, 1.7 km
- Trips that went round
- Hours lost
- Lines cut back

New homes
Where new homes can go.
800 homes in Lasnamäe by the airport
- Trips they add
- Streets jammed at the peak
- Wait at the stop
