Jämförelse av flöde och hastigheter från två olika cykelmätningsutrustningar

Josef Danial

The purpose of this study was to compare cycle flows and speeds from two different cycle measurement equipment. The result has also been compared with the processed video data and manual counts. The measuring equipment are Viscando’s equipment OTUS3D and VTI´s TA-89. OTUS3D is a camera with 3D functionality, and it detects tracks and classifies these into different road user categories. TA-89 (where TA stands for Traffic Analyzer) is developed by VTI and is adapted for detecting both bicycles and motor vehicles. We also used a video camera from the OTUS3D system, to enable a manual calculation.

The test site for the study is a pedestrian and bicycle path that crosses a ridge in Vallaskogen in Linköping. The area is located between the district of East Valla and campus. It is a fairly steep slope where the direction towards the campus is uphill and the direction to the East Valla / city center is downhill. Five days that did not include losses of flow were selected for the analyzes. The selected periods were 3 to 4 September (Saturday and Sunday) and 6 to 8 September (Tuesday to Thursday). In addition to this, we chose an hour with high flow and an hour with low flow where video processing was conducted. Furthermore, we used an hour and 50 minutes of manual counting.



Shipping and the environment – research meets reality

Centre for Transport Studies (CTS) in co-operation with Ports of Stockholm invite you to the seminar Shipping and the environment – research meets reality.



Simulation of cut-in by manually driven vehicles in platooning scenarios

A study in a VTI-driving simulator has showed that a platoon will be able to handle a cut in from a manually driven car. The results of this study have recently been presented at two conferences in Japan.



The five-year anniversary of European Road Profile Users' Group (ERPUG) Forum will take place at Ramboll head quarter, Copenhagen, Denmark October 19-20, 2017.


Self-driving buses in Sweden next year?

A self-driving, fossil-free bus. This idea might become reality through a forthcoming collaborative project involving the Swedish National Road and Transport Research Institute (VTI), Linköping University and several other participants. The project group aim...


New climate-proof solutions for hard surfaces in cities

High-density road infrastructure that emphasise maximum durability and minimum maintenance create inflexible systems, which put increased stress on urban trees and lead to increased risk for flooding. Over the past five years, the ‘Climate-proof solutions for...


VTI is preparing for automated vehicles

Automation of traffic systems will lead to major changes. The European Union’s (EU) CoEXist research project began in June 2017 with the aim of preparing cities and road operators for the introduction of self-driving vehicles. The Swedish National Road and...


Vehicle Driver Monitoring: sleepiness and cognitive load

To prevent road crashes it is important to understand driver related contributing factors, which have been suggested to be the critical reason in 94 per cent of crashes. The overall aim of the project Vehicle Driver Monitoring has been to advance the...