DRO-Spectrum What-If
Opportunity area: Transparency
Lets cities ask “what if?”, like closing a road or adding homes, and see the effect on traffic in minutes. Built on a traffic picture of the whole Netherlands.
What problem are we trying to solve?
Cities ask “what if?” all the time. Getting an answer usually means a full traffic model study.
01
Answers take weeks
A model study takes time, so many options are never tested at all.
02
Too costly for small questions
Running a full model for every idea costs more than most projects can spend.
03
Results stay in reports
Other tools, like a city’s digital twin, can’t use the results directly.
How does it work?
Every road covered
Built from open data, with traffic numbers for every road in the Netherlands.
Test a change
Close a road or change its speed limit and see where the traffic goes.
Connects to other systems
An open-standard connection delivers results to apps, digital twins and traffic control systems.
How is it being tested?
Demonstrated to the DRO partners in May 2026, and already in use.
TEST 1 · ROAD CLOSURE
Calculating a road closure in Almere
A full traffic calculation for Almere now takes about 3 minutes, down from about an hour.
TEST 2 · SHARED DATA
One traffic picture for many projects
The same data supports projects in Groningen, Amsterdam and Almere.
NEXT
It already powers ShiftWijzer. Next: housing and events, plus bus, bike and walking networks.
How does it fit into DMI?
CITY
Faster, better-informed decisions about roads and public space
APPLICATIONS
DRO-Spectrum What-If
VISUALISATION
Maps in the DRO-Spectrum viewer, in ShiftWijzer and in city digital twins
PLATFORM
Open-standard (OGC) connection that other systems can call
DATA
Open Dutch data: road and bike networks, public transport timetables, buildings
One shared traffic picture that every DRO tool and Dutch city can build on.
OPPORTUNITY AREA
Transparency
COLLABORATORS
Curious what this could mean for your city?
Schedule a demonstration to learn more about how DRO partners are co-developing this and other applications for better management of the public space.
digitaleregie.openbareruimte@amsterdam.nl