Paramics

I-5 Orange County Corridor System Management Plan, Orange County, CA

I-5 OC Study Area

The I-5 CSMP (Corridor System Management Plans) project aims to develop a corridor system management plan for the I-5 corridor in Orange County, CA. The study involves a comprehensive performance assessment of the study site, building and calibrating its microsimulation model, testing of alternative scenarios, and the development of corridor system management plan.

SR-57 Orange County Corridor System Management Plan, Orange County, CA

SR-57 Study Area

The study corridor, SR-57, is a major North-South corridor connecting Orange County and Los Angeles County and is one of the most congested freeways in California. The project involves the development of the SR-57 micro model under Paramics and macro model under TransCAD.

Paramics Truck Behavior and Vehicle Control

Truck Behavior plugin is designed to model the range of lanes and speed that trucks are allowed to operate or usually operate in the field on different sections in a Paramics simulation network. It can also be applied to other vehicle types to achieve the same modeling purpose.

Paramics Lane Management Plugin

Lane Management plugin is designed to model lane closures (due to incident or workzone) and drivers’ response to the lane closure messages shown in Changeable Message Signs (CMS) or gantries based on a typical procedure of lane closure in the real world.

Paramics Point-to-Point Travel Time (Freeway MOE)

This plugin collects point-to-point travel time and delay data. Typical applications of this plugin are

ALINEA Ramp Metering Plugin

ALINEA Ramp Metering Plugin

This plugin implements the ALINEA ramp metering algorithm in PARAMICS. The ALINEA algorithm, proposed by Papageorgiou et al, is a local feedback ramp metering strategy, which attempts to maximize mainline throughput by maintaining a desired occupancy on the downstream mainline freeway. Compared to other traffic-responsive ramp metering algorithms, ALINEA is remarkably simple, highly efficient, and easily implemented. According to the results from field tests and simulation-based studies, ALINEA has very good performance.

Paramics TOS Ramp Metering Control (Occupancy Control Logic)

TOS Ramp Metering Plugin

This plugin implements the TOS (Traffic Operations System) ramp metering algorithm in PARAMICS. The TOS is one of the most widely used ramp metering systems in California. It is currently deployed in District 4 (Bay Area).

Paramics SDRMS Ramp Metering Control (Occupancy Control logic)

SDRMS Ramp Metering Plugin

This plugin implements the SDRMS (San Diego Ramp Metering System) ramp metering algorithm in PARAMICS. The SDRMS is the most widely used ramp metering systems in California. It is currently deployed in District 3 (North Central), District 8 (Riverside/San Bernardino), and District 11(San Diego/Imperial).

Paramics SATMS Ramp Metering Control (Demand Capacity logic)

SATMS Ramp Metering Plugin

This plugin implements the SATMS (Semi Actuated Traffic Metering System) ramp metering algorithm in PARAMICS. The SATMS is one of the ramp metering systems used in California. It is currently deployed in District 7 (Los Angeles) and District 12 (Orange County).

Paramics Detector Data Aggregation Plugin

Paramics Detector Data Aggregation Plugin

Our detector data aggregation plugin emulates the real-world detector data collection. It gathers point loop data at each time step of simulation and aggregates them every interval specified by the user. The user can also choose to obtain raw or smoothed data. Aggregated loop data (volume, occupancy, and speed) can be output to text files, and can be also accessed by interface functions defined in the plugin.

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