Public transport is a dynamic product. This is a result of driving behavior, interaction with other traffic, changes in level of demand, etc. Due to these differences, travel times fluctuate resulting in a decrease in reliability and an increase in costs for the operator. Therefore we conduct research on deviations in travel times and measures to prevent them in the planning phases: network and timetable design.

Niels van Oort received his PhD on research on improving reliability of public transport systems. Partly working as a consultant at Goudappel Coffeng and partly as researcher at Delft University of Technology, he continues to work on expanding both the knowledge on this subject and the application of this knowledge in improving public transport.

Dutch Publications
For Dutch publications click here.

Scientific publications
- Van Oort TRB 2014 Unreliability transit in transport models Revised
- TRB_2014_Lee_Reliability_of_Synchronization Revised
- Optimizing Public Transport Planning and Operations Using AVL Data: The Dutch Example (MTS-ITS Dresden)
- Big Data in public transport (UITP workshop 2013)
- Incorporating service reliability in public transport design and performance requirements:International survey results and recommendations (Thredbo 2013)
- Service reliability and urban public transport design (2011)
- The value of enhanced service reliability (RailCopenhagen 2013)
- The impact of scheduling on service reliability: trip-time determination and holding points in long-headway services (Public Transport 2012)
- Quantifying benefits of enhanced service reliability in public transport (CASPT 2012)
- Service reliability improvement by enhanced network and timetable planning (CASPT 2012)
- Reliability improvement in short headway transit services: schedule-based and headway-based holding strategies (TRR 2010)
- The impact of rail terminal design on transit service reliability (TRR 2010)
- Rail transit network design with the support of a simulation library: towards reliability improvement (TRB 2010)
- Regularity Analysis for Optimizing Urban Transit Network Design(Public Transport 2009)
- Line length vs. reliability: network design dilemma in urban public transport (TRR 2009)
- Controlling operations of public transport to improve reliability: theory and practice (TRR 2009)
- Effect of driving-time determination and holding points on reliability (CASPT 2009)
- Reliability Assessment of Urban Rail Transit Networks: Methodology and Case Study (TRB 2009)
- Service reliability, a key factor / On-time vehicles on RandstadRail (UITP Public transport international 2009)
- The Effect of Operations Control on Reliability (RailZurich 2009)
- Using a Rail Simulation Library to assess impacts of transit network planning on operational quality (CompRail 2008)
- Improving reliability in urban public transport in strategic and tactical design (TRB 2008)
- RandstadRail: Increase in Public Transport Quality by Controlling Operations (RailHannover 2007)
- Public transport network design and reliability (Instr 2007)
- Evaluation of controlling measures for light rail applied in practice (CASPT 2009)

Opdrachtgever: Goudappel Coffeng, Delft University of Technology
Realisatie: 2008 - 2012

Niels van Oort

adviseur openbaar vervoer
Goudappel Coffeng
+31 (0)6 15 90 86 44
mail Niels

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