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BACKGROUND OBJECTIVES DATA PROCESSING RESULTS CONCLUSIONS Grant ID No.: DUE-0756921, EEC-1004623 METHODS Sharonville Ramp GPS Travel Data Logger Ramp Metering in Freeway Systems Benefits of One and Two Lane Ramp Metering Implementations , UC 1 Isaac Quaye, 2 Emma Hand, 3 Jared Sagaga 1 Aerospace Engineering, UC; 2 Civil Engineering, UC; 3 Aerosapce Engineering, SJSU • Data collection and processing using GPS device, traffic counter, and QTravel software • Calibration and validation of network model • One and Two lane ramp implementation simulation using VISSIM software • Analysis of simulation results • A significant impact on safety was observed following ramp meter implementation. In both cases, one lane and two lane ramps, installing ramp meters showed a significant decrease in speed variation, both within the merge and non-merge zones, and between these two areas. • While both scenarios, one lane and two lane, showed decrease in speed variation, two lane meter implementation showed a much larger impact than one lane, and it can be concluded that ramp meters show greater effectiveness when installed on two lane on-ramps. Thank you to the National Science Foundation for funding this research project. ACKNOWLEDGEMENTS Faculty Mentor: Dr. Heng Wei, Graduate Assistant: Kartheek K. Allam Determine whether one or two lane ramp meter installation is most effective Video Data Processing Traffic Data Counter • Ramp meters are traffic devices used to control traffic entering freeway mainline • First ramp meter implemented in Ohio on I-74 in 2004 • Studying effectiveness of implementing meter on I-275 between Mosteller Road and Reed Hartmann Highway exits One-Lane On-Ramp With Ramp Meter One-Lane On-Ramp Without Ramp Meter Increasing Safety Reducing Travel Time Two-Lane On-Ramp Without Ramp Meter Two-Lane On-Ramp With Ramp Meter Network Model DATA COLLECTION
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Ramp Metering in Freeway Systems Benefits of One and Two Lane Ramp Metering Implementations. , UC 1 Isaac Quaye , 2 Emma Hand, 3 Jared Sagaga 1 Aerospace Engineering, UC; 2 Civil Engineering, UC; 3 Aerosapce Engineering, SJSU. Background. Acknowledgements. Methods. Data collection. - PowerPoint PPT Presentation
Transcript of Background
BACKGROUND
OBJECTIVES
DATA PROCESSING
RESULTS
CONCLUSIONS
Grant ID No.: DUE-0756921, EEC-1004623
METHODS
Sharonville Ramp GPS Travel Data Logger
Ramp Metering in Freeway SystemsBenefits of One and Two Lane
Ramp Metering Implementations , UC1Isaac Quaye, 2Emma Hand, 3Jared Sagaga
1Aerospace Engineering, UC; 2Civil Engineering, UC; 3Aerosapce Engineering, SJSU
• Data collection and processing using GPS device, traffic counter, and QTravel software
• Calibration and validation of network model• One and Two lane ramp implementation
simulation using VISSIM software• Analysis of simulation results
• A significant impact on safety was observed following ramp meter implementation. In both cases, one lane and two lane ramps, installing ramp meters showed a significant decrease in speed variation, both within the merge and non-merge zones, and between these two areas.
• While both scenarios, one lane and two lane, showed decrease in speed variation, two lane meter implementation showed a much larger impact than one lane, and it can be concluded that ramp meters show greater effectiveness when installed on two lane on-ramps.
Thank you to the National Science Foundation for funding this research project.
ACKNOWLEDGEMENTS
Faculty Mentor: Dr. Heng Wei, Graduate Assistant: Kartheek K. Allam
Determine whether one or two lane ramp meter installation is most effective
Video Data Processing Traffic Data Counter
• Ramp meters are traffic devices used to control traffic entering freeway mainline
• First ramp meter implemented in Ohio on I-74 in 2004
• Studying effectiveness of implementing meter on I-275 between Mosteller Road and Reed Hartmann Highway exits
One-Lane On-Ramp With Ramp Meter
One-Lane On-Ramp Without Ramp Meter
Increasing Safety
Reducing Travel Time
Two-Lane On-Ramp Without Ramp Meter
Two-Lane On-Ramp With Ramp Meter
Network Model
DATA COLLECTION
