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Wissenschaftsstadt Darmstadt

(City of Science Darmstadt)

Using Data for Environmentally Sensitive Traffic Management

Executive Summary

The Wissenschaftsstadt Darmstadt (City of Science Darmstadt) is one of the pioneers of a data-driven, sustainable mobility strategy.

With the DANALYTICS project, implemented between 2019 and 2022, the foundation was laid for a digital traffic management system that balances road safety, efficiency, and environmental compatibility.

By deploying Exasol as a high-performance data platform, the Traffic Planning and Management department is able to capture and analyze extensive real-time traffic and environmental data and translate it directly into actionable recommendations.

Results at a glance:

Development of an analytical data platform for environmentally sensitive traffic management

Processing of extensive real-time data with Exasol – powerful and future-proof

Automated queries and dashboard visualization instead of manual data preparation

Foundation for lower emissions, smoother traffic flows, and improved quality of life in the city

Company profile

Organization: Wissenschaftsstadt Darmstadt – Office for Mobility and Civil Engineering / Mobility Department / Traffic Planning and Management Division

Project Staff: Olaf Arras, Project Officer

Project Duration: 2019–2022 (DANALYTICS), measures continued since 2022

Strategic Goal: Establishment of an environmentally sensitive traffic management system based on Big Data Analytics

Location

Germany

Employees

35

Industry

Public Sector

Use Case

Analytics Acceleration

The Challenge

Since 2019, Darmstadt had been under significant pressure to act: court rulings required the city to implement consistent measures against exceeding NO₂ limits.

Diesel driving bans on central road sections highlighted how urgent a new approach to traffic management had become.
The administration not only had to comply with legal requirements but also improve the quality of life for its citizens.

Traditional, reactive management approaches were no longer sufficient – what was needed was a forward-looking, data-driven traffic management system that accounted for both traffic flows and environmental impact.

The efficient combination of real-time traffic and environmental data is the foundation of our digital traffic management. Exasol provides us with the speed and reliability we need.

Olaf Arras, Project Officer, Wissenschaftsstadt Darmstadt

The Solution

As part of the funded DANALYTICS project, the vision of an analytical data platform (DAP) for digital traffic management was created.

A decisive component: a powerful database technology capable of reliably and quickly processing large volumes of real-time data.

Following intensive workshops and design phases, Exasol was chosen.
The key factor: its outstanding performance in the use case – combining traffic and environmental data in real time.

Technical highlights:

  • On-premises deployment of Exasol 7.1 on three servers in the Rhine-Main data center
  • Use of ETL jobs for data integration
  • Visualization via Tableau dashboards
  • Data sources: traffic sensors and environmental monitoring stations

The Results

With Exasol as the core of its data platform, Darmstadt was able to significantly modernize its traffic management:

Analyses now run automatically and almost in real time, instead of through manual queries and preparation.

Dashboards make complex relationships understandable – traffic flows and environmental impacts become visible.

Traffic management decisions are based on data, not assumptions.

Measures to reduce emissions can be specifically developed and monitored.

This success story demonstrates: with the right data strategy, even complex challenges such as air quality management and traffic control can be tackled – efficiently, sustainably, and in a citizen-focused way.

Outlook

The journey is not over.

Wissenschaftsstadt Darmstadt is already planning its next steps, including:

  • Upgrade to Exasol V8
  • Optimization of data models and processing workflows
  • Integration of additional data sources for an even more comprehensive picture
  • Maintenance and expansion of master data

    This will further strengthen Darmstadt’s role as a pioneer of smart, sustainable urban mobility.

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