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Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 1 Prof. Dr.-Ing. Andreas Schuster Traffic.

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Präsentation zum Thema: "Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 1 Prof. Dr.-Ing. Andreas Schuster Traffic."—  Präsentation transkript:

1 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 1 Prof. Dr.-Ing. Andreas Schuster Traffic Engineering / Logistic Infrastructure Traffic Flow Models Westsächsische Hochschule Zwickau – University of Applied Sciences / Hacettepe University Ankara January 2013

2 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 2 Traffic Flow - Observations Source: RETZKO Beob Fzstrom (Quelle: Skript Retzko) local observation present observation

3 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 3 Indicator Traffic Volume Source: SCHUSTER, 1998 Verkehrsstärke (Quelle: eigene) traffic volume time modes:

4 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 4 Indicator Traffic Density Source: TOPP road section observation time traffic density map

5 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 5 Fundamental Diagram Source: RETZKO dense traffic free flow speed, while density is max. density, while volume is max. capacity

6 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 6 Volume-Speed- (Quantity-Velocity-) Diagram Source: RETZKO dense traffic free flow speed, while density is max. density, while volume is max. capacity

7 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 7 Traffic Congestion Source: DIE ZEIT road section time disturbance

8 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 8 Checking Quality Process Source: FGSV, 2001 k

9 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 9 Levels of Service (LOS) Source: FGSV, 2001 LOSk [veh/km] A 5 B5,… … 12,0 C12,… … 20,0 D20,… … 30,0 E30,… … 40,0 F 40

10 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 10 Basic Problem 1 Source: RETZKO C

11 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 11 Basic Problem 2 Source: RETZKO Wahrscheinlichkeit Auftreten von Zeitlücken Wahrsch. d. Auftretens v. Lücken C

12 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 12 Capacity of a Side Stream Source: FGSV, 2001 Grundkapazität Kreisverkehrsplatz (Quelle: Merkblatt Kreisverk.) Grundkapazität ( Quelle: Merkbl. Kr.v.) one lane roundabout two lanes roundabout traffic volume main stream q H [car-units/h] capa- city side stream [car-units/h]

13 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 13 Average Waiting Time Source: FGSV, 2001 Mittl. Wartezeit Vorfahrtskreuzung (Quelle: HBS) Wartezeit Vorfahrtskreuzung capacity reserve R [car-units/h] average waiting time w [s]

14 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 14 Levels of Service Source: FGSV, 2001 LOSw [s] A 10 B10,… … 20,0 C20,… … 30,0 D30,… … 45,0 E 45 F (no sufficient capacity)

15 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 15 Exercise - Roundabaout Source: PELZ N [Fz/h] Convertion veh/h … (car-units)/h

16 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 16 Exercise – Roundabaout Source: FGSV, 2001

17 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 17 Basic Capacity of a Roundabout Source: FGSV, 2001 Grundkapazität Kreisverkehrsplatz (Quelle: Merkblatt Kreisverk.) Grundkapazität ( Quelle: Merkbl. Kr.v.) one lane roundabout two lanes roundabout traffic volume circle stream q K [car-units/h] basic capa- city G [car-units/h]

18 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 18 Average Waiting Time on a Roundabout Source: FGSV, 2001 Mittl. Wartezeit Vorfahrtskreuzung (Quelle: HBS) Wartezeit Vorfahrtskreuzung capacity reserve R [car-units/h] average waiting time w [s]

19 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 19 Levels of Service on a Roundabout Source: FGSV, 2001 LOSw [s] A 10 B10,… … 20,0 C20,… … 30,0 D30,… … 45,0 E 45 F (no sufficient capacity)

20 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 20 Another Kind of Junction Source: FGSV, 2001 Knotenpunktsgeometrie [car-units/h]

21 Westsächsische Hochschule Zwickau University of Applied Sciences Department of Energy and Transport Engineering 21 Sources RETZKO, Hans-Georg: Arbeitsblätter zur Vorlesung Verkehrsplanung und Verkehrstechnik SCHUSTER, Andreas: Verkehrsverlagerungen durch die Innere Westtangente Zwickau. Studentisches Projekt. Zwickau, 1998 TOPP, Hartmut H.: Arbeitsblätter zur Vorlesung Verkehrswesen FORSCHUNGSGESELLSCHAFT FÜR STRASSEN- UND VERKEHRSWESEN (FGSV) (Hg.): Handbuch für die Bemessung von Straßenverkehrsanlagen (HBS). Köln 2001 PELZ, Kati: Diplomarbeit, Westsächsische Hochschule Zwickau


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