Background

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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

Page 1: 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