traffic management plans in stockholm - an implementation
DESCRIPTION
Traffic Models in the Traffic Management Workshop Domain 3, May 7 – 8, 2001 VIKING Alf Peterson, Vägverket Region Stockholm - SNRA. Traffic Management Plans in Stockholm - an implementation. Background Operation Exemples of Models. - PowerPoint PPT PresentationTRANSCRIPT
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Traffic Models in the Traffic Management
Workshop Domain 3,
May 7 – 8, 2001
VIKING
Alf Peterson, Vägverket Region Stockholm - SNRA
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Traffic Management Plans in Stockholm -
an implementation
• Background
• Operation
• Exemples of Models
Wiking Workshop, May 7-8th, Hannover
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Traffic Operation
• Co-ordination between actors– Directive from Government– The Partners strive for an optimised use of the whole transportsystem,
which should be seamless
• Multi-modal oriented– ”smart” tours– get information before trip– get information en-tour
• Expedients for this– Public information - Road Operators, Radio etc– Customised information - Service Providers – Information along the road - Road and Public Transport Operators
Wiking Workshop, May 7-8th, Hannover
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Example Essingeleden E4
Wiking Workshop, May 7-8th, Hannover
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E4 Essingeleden – mobility in terms of speed and fuel consumption
100
90
80
70
60
50
40
30
20
10
0
Bredäng
Start
tid: 0
7:25:01
Västberga
Nyboda
Stora
Essingen
Fredhäll
Tomteboda
Solnabron
Eugenia
Genomsnittshastighet: 6.9 km/hBränsleförbrukning: 2.56 lit/10 kml
Genomsnittshastighet : 19.4 km/hBränsleförbrukning: 1. 29 lit/10 km
Genomsnittshastighet : 69.5 m/hBränsleförbrukning : 0.64 lit/10 km
Ha
stig
he
t km
/h
Genomsnittshastighet på vägsträckan
Wiking Workshop, May 7-8th, Hannover
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Co-operationCity of Stockholm
• Joint TMC
• ”Joint” roadnet - seamless
• ”Road assistance”
• Exchange of – Traffic data– Disruptions– Roadworks etc.
• Web www.trafiken.nu
Vägtrafikcentralen
S T O C K H O L M
Wiking Workshop, May 7-8th, Hannover
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• Joint user interface
• Decision support system
• A stored and complete bedding/support
• fast and correct measures, TMP
• improved mobility and minimised damage and risks
Traffic Managemet SystemCTS , Central Technical System
IN DATA
Automatic alarms from all connecting systems , Telephone, Traffic data, Video, Weatherinfo, Co-operating partners mm
SCENARIOS
Traffic Management Plans
THE OPERATION OF MEASURES
Mail, Fax,Telephone,TMP´s via connected systems, Vägassistans mm
Wiking Workshop, May 7-8th, Hannover
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Genericreport
Create a new report
Deletedreport
Delete the report
Registeredreport
Register thereport
Confirmedreport
Confirmr the report
TMP inoperation
Make a choice and operate a TMP
Finalised report
Finalise the report withoutconfirmation
Finalise the reportafter restoration of TMP
TMPrestored
Restoreplan
Finalise the report
Without a TMP
Traffic Management Plans
Wiking Workshop, May 7-8th, Hannover
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Operators can intervene in different systems
Wiking Workshop, May 7-8th, Hannover
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Screen view
Wiking Workshop, May 7-8th, Hannover
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Development of roadside systems• GIS
– Maps– Joint roadnet database, NVDB
• Technical system– Intelligent traffic signals– Motorway Control System (MCS)– Real-times based traffic models– Variable Message Sign
• Organisation– adaption and development
• Evaluations
Wiking Workshop, May 7-8th, Hannover
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Incident ManagementStockholm
Road- assistance• Dispatched from VTC • Radius ca 10 km, main road networkt• Operating time 0630 – 1930 working day• Two trucks• Tow-away vehicle• Policé
Wiking Workshop, May 7-8th, Hannover
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The Operaters need processed information
Exemple:
• Journeytimes between optional locations (O-D)– normal journey times– current journey times– Journey time predictions – 15 resp. 30 minutes– scenarios - descriptive
• Three different methods– Contram ITS, an off line modell (mezzo) – normal journey times, scenarios– Matrix, an realtime model, current jouney times related to O-D, control functions– Probes, position data from existing users, current journtey times
Wiking Workshop, May 7-8th, Hannover
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Incident location
Increased congestion after 30min
Incident delay estimates (veh.h):Modelled 990 Observed 1500
Rear-end collision Essingeleden during am peak hour(speed difference in km/h compared with normal situation)
Wiking Workshop, May 7-8th, Hannover
Off-line tactical use
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Preliminary location of VMS in Stockholm
Wiking Workshop, May 7-8th, Hannover
Off-line tactical use
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VMS
VMS
VMS
VMS
VMS
Incident location
Incidents and VMS modelled
Wiking Workshop, May 7-8th, Hannover
Off-line tactical use
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Accident at Roslagsvägen during am peak(speed difference in km/h compared with normal situation)
Left: No VMS and re-routing Right: VMS noticed by 50% of drivers
VMS
E4 at Järva Krog more congested
Situation after 40min, incident just cleared
Wiking Workshop, May 7-8th, Hannover
Off-line tactical use
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7.15-7.35
7.35-7.55
7.55-8.15
8.15-
Incidentand no VMS
Incidentand VMS
Total networkimprovment714 veh.h.
Wiking Workshop, May 7-8th, Hannover
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Test area
To be extended
Parameters
• link/lane
• Length
• nod/junction
• capacity
• v/d functions
• O-D pattern
• centroides
• Detectors and indata
• Probes and indata
Calibration
• Flows
Validation
• journey timesWiking Workshop, May 7-8th, Hannover
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MATRIX a realtime traffic automation- system, a generic information and “control” platform
Stockholm:Information från:•MCS•Image processing•Traffic Signals•Traditional detectors•Intelligent traffic signals•Probes
O/D ESTIMATION ASSIGNMENT
MONITORINGOf road network
CONTROLVia traffic-systems
“FAST”CYCLE
“SLOW”
CYCLE
Wiking Workshop, May 7-8th, Hannover
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Any questions?Any questions?
Wiking Workshop, May 7-8th, Hannover