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‎content/challenges/_index.md‎

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In this theme track, we are looking for challenges that deal with optimizing scheduling and capacity utilization. The goal is to find innovative solutions that enable more efficient planning and use of track capacities, avoid overcrowding, and minimize empty runs. We expect creative approaches that contribute to seamless, efficient rail traffic.
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#### Challenges in this track:
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- [DIRECT – Dynamic Inspector Routing for Efficient Coverage in Trains]({{% relref "21-direct" %}})
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- [Holiday Aware, Data Driven Relief Train Planning]({{% relref "22-relief-planning" %}})
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- [DIRECT – Dynamic Inspector Routing for Efficient Coverage in Trains]({{% relref "1-direct" %}})
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- [Holiday Aware, Data Driven Relief Train Planning]({{% relref "2-relief-planning" %}})
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- [Robust Auto‑Layout Algorithms for the Netzgrafik Editor]({{% relref "3-nge-auto-layout" %}})
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### 2. Cross-Border Mobility and Logistics 🚅🌍📦
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In this theme track, we are looking for challenges that enhance the experience and efficiency of cross-border passenger and freight transport. Concepts should harmonize information flows, enrich long-distance travel, and promote the internationalization of services. We expect proposals that strengthen market positioning and increase system stability and punctuality through innovative processes along the travel and transport chain. What new services could be created to facilitate access to rail transport?
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#### Challenges in this track:
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- [PopUpSim Optimizer]({{% relref "4-popup-sim" %}})
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- [Common Database for Technical Locomotive Data]({{% relref "5-loco-db" %}})
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- [Avoid the Nightmare with the Night Train]({{% relref "6-nighttrain-nightmare" %}})
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- [Who Makes the Rules?]({{% relref "7-rules" %}})
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- [Build an Open Model of Cross‑Border Mobility]({{% relref "8-cross-border-mobility" %}})
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### 3. Efficient Disruption and Construction Site Management 🛠📲🌱
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This theme track calls for challenges that enable quick and effective management of construction sites and disruptions in rail traffic. We are looking for ways to guarantee operational safety, optimize information flows, and ensure the reliability of rail traffic even in unforeseen circumstances. Also sought are innovative concepts that lead to improved deployment planning, sustainable performance, and a reduction of noise and CO2 emissions.
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#### Challenges in this track:
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- [OneUI: Störfall Now! Fast Info. Right Info.]({{% relref "20-one-ui" %}})
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- [OneUI: Störfall Now! Fast Info. Right Info.]({{% relref "9-one-ui" %}})
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- [Digitalization of Taxi Vouchers and Passenger Pooling in Disruption Cases]({{% relref "10-taxi-vouchers" %}})
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- [Automatic Contract Analysis]({{% relref "11-contract-analysis" %}})
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### 4. Train Stations as Mobility Hubs 🏬🚉🚲
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This theme track seeks challenges that improve the function and experience of train stations and their surroundings. We are expecting innovative approaches for barrier-free access, smart space management, and the integration of mobility hubs to increase accessibility and comfort. Furthermore, ideas are sought that support an integrated mobility chain and offer individualized customer services at the station, establishing it as a central service location. "Station as a Service" is more than just a catchphrase here.
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#### Challenges in this track:
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- [One Screen. One Journey. Integrated Station Information incl. Rail Replacement]({{% relref "19-one-screen" %}})
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- [One Screen. One Journey. Integrated Station Information incl. Rail Replacement]({{% relref "12-one-screen" %}})
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- [A Spatial AI Wayfinding Agent for Railway Stations]({{% relref "13-wayfinding" %}})
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- [Station Data Unlocked (Somehow)]({{% relref "14-station-data" %}})
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### 5. Green Digitalization for Environmental Protection and Sustainability 🌳🚞💚
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This theme track invites the submission of challenges that address pioneering ideas and challenges in the areas of resilience, decarbonization, energy efficiency and circularity. We are looking for digital solutions that affect all areas of railway operations and logistics.
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#### Challenges in this track:
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- [Predictive Model for Energy Consumption Including Weather Effects]({{% relref "15-energy-consumption" %}})
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- [Route Roulette – A Playful Allocation Quest]({{% relref "16-route-roulette" %}})
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- [Rolling Stock Software Configuration Management]({{% relref "17-rolling-stock-config" %}})
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- [Infrastruction Congestion]({{% relref "18-infra-congestion" %}})
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### 6. Mobility and Logistics Think Tank 🔮🤖🔭
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This theme track invites the submission of challenges that deal with disruptive and forward-thinking ideas for the mobility and logistics of the year 2035. We are looking for creative approaches that may lie outside established patterns of thought and have the potential to fundamentally change the sector.

content/challenges/track-1/21-direct.md renamed to content/challenges/track-1/1-direct.md

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title: DIRECT
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title: DIRECT – Dynamic Inspector Routing for Efficient Coverage in Trains
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banner:
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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processes:

content/challenges/track-1/22-relief-planning.md renamed to content/challenges/track-1/2-relief-planning.md

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title: Relief Planning
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title: Holiday Aware, Data Driven Relief Train Planning
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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‎content/challenges/track-1/3-nge-auto-layout.md‎

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---
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title: Robust Auto‑Layout Algorithms for the Netzgrafik Editor
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banner:
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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processes:
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- "fill 1900x600"
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---
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# Robust Auto‑Layout Algorithms for the Netzgrafik Editor
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## Problem Statement
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As Netzgrafik networks grow, the readability of Netzgrafik deteriorates. Existing auto‑layout mechanisms fail, requiring extensive manual rework that is time‑consuming and error‑prone.
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## Proposed Solution
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Develop fast, robust auto‑layout algorithms that preserve network topology while improving visual clarity. The solution enables scalable, low‑effort visualization even for complex and evolving networks.
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## Required Expert Profiles
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- Graph theory and algorithm specialists
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- Visualization and UX engineers
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- TypeScript / frontend developers
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- Railway timetable experts
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## Company
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This is a challenge provided by *SBB*

‎content/challenges/track-2/4-popup-sim.md‎

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---
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title: PopUpSim Optimizer
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banner:
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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processes:
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- "fill 1900x600"
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---
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# PopUpSim Optimizer
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## Problem Statement
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PopUpSim can simulate the transformation to digital automatic coupling (DAC) in freight trains. Scenario analysis in PopUpSim requires repeated manual adjustment of parameters. This limits systematic exploration of alternatives and consumes significant time.
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## Proposed Solution
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Add an optimization layer that automatically generates, evaluates, and compares PopUpSim scenarios. The optimizer identifies promising configurations with minimal manual intervention.
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## Required Expert Profiles
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- Operations research and optimization experts
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- Simulation specialists
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- Python and data engineers
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## Company
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This is a challenge provided by *DB*

‎content/challenges/track-2/5-loco-db.md‎

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---
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title: Common Database for Technical Locomotive Data
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banner:
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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processes:
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- "fill 1900x600"
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---
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# Common Database for Technical Locomotive Data
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## Problem Statement
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Technical data for leased locomotives is fragmented across companies and formats. Missing central access complicates regulatory compliance, maintenance planning, and cross‑operator collaboration.
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## Proposed Solution
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Prototype a shared, standardized database for locomotive technical data, comparable to existing wagon databases. The solution enables consistent, reliable access for all authorized stakeholders.
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## Required Expert Profiles
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- Locomotive disposition & planning experts
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- Data modelers and data architects
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## Company
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This is a challenge provided by *DB*

‎content/challenges/track-2/6-nighttrain-nightmare.md‎

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title: Avoid the Nightmare with the Night Train
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banner:
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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processes:
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- "fill 1900x600"
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# Avoid the Nightmare with the Night Train
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## Problem Statement
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## Proposed Solution
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## Required Expert Profiles
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## Company
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This is a challenge provided by *SBB*

‎content/challenges/track-2/7-rules.md‎

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title: Who Makes the Rules?
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banner:
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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processes:
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- "fill 1900x600"
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# Who Makes the Rules?
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## Problem Statement
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## Proposed Solution
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## Required Expert Profiles
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## Company
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This is a challenge provided by *SBB*

‎content/challenges/track-2/8-cross-border-mobility.md‎

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title: Build an Open Model of Cross‑Border Mobility
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banner:
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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processes:
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- "fill 1900x600"
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# Build an Open Model of Cross‑Border Mobility
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## Problem Statement
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## Proposed Solution
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## Required Expert Profiles
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## Company
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This is a challenge provided by *SNCF*

‎content/challenges/track-3/10-taxi-vouchers.md‎

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title: Digitalization of Taxi Vouchers and Passenger Pooling in Disruption Cases
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banner:
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image: images/events/Hack4Rail-Bern-2025_team.jpg
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processes:
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- "fill 1900x600"
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# Digitalization of Taxi Vouchers and Passenger Pooling in Disruption Cases
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## Problem Statement
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Customers are provided taxi vouchers during train disruptions, which can be costly and inefficient. A customer-centric self-service solution that includes checks for efficient customer pooling and automated selection of the optimal taxi provider is needed.
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## Proposed Solution
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Build a prototype of a web-based platform that enables automated eligibility verification, digital issuance of taxi vouchers, and intelligent pooling of passengers. The solution should connect to multiple taxi providers via API and allow customers to independently arrange alternative transportation in disruption cases.
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## Required Expert Profiles
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- Mobility and disruption management in the rail sector
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- Web and platform development
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- API integration (especially for mobility/taxi services)
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- Customer experience and UX design
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## Company
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This is a challenge provided by *DB*

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