Lead Presenter Biography

Aditya Katragadda serves as a Senior Transportation Planner at The Corradino Group. He has extensive experience in travel demand model development, applications, and data science projects. His recent works involved several projects in the industry involving regional models validation, subarea models development, regional long-range plans, interchange studies, express lanes and corridor planning projects.

Co-Authors

Presentation Description

ABSTRACT

The Florida Department of Transportation (FDOT) has evaluated the feasibility of implementing Managed Lanes (ML) system along Interstate 95 (I-95) between the south of Linton Boulevard and the Palm Beach/Martin County Line, a total of approximately 38 miles corridor. An essential element of Managed Lanes projects is locating the Managed lanes access points. This paper documents an innovative approach of establishing access point demand and their effectiveness in serving various municipalities along the corridor.

Description of Abstract:
The Managed lanes access point determination methodology begins in the planning phase. In general, the Managed lanes are a type of facilities for congestion management by delineator separation and access control. It addresses existing and future congestion, enhances transit services, accommodates future regional growth and development, and improves system connectivity between key origins and destinations. For a Managed Lane system, there are three types of access points between general-use (GUL) and the Managed lanes that includes beginning point of ingress, intermediate point of ingress or egress, and the final point of egress. In addition, access control limits the entrance and exit points that serves longer and regional trips.
As part of this study, the market analysis was performed to identify preliminary access points using Origin and Destination data, and the Southeast Regional Planning Model (SERPM)-based subarea model data. The study assessed major origins and destination (O-D) within the area of influence using various datasets like Bluetooth detector dataset, U.S. Census Bureau Longitudinal Employer-Household Dynamics (LEHD) data, Stated Preference Survey, and the SERPM subarea model trip matrices. The access points analysis based on the major cities O-D data was used for the initial concept of operations of the Managed Lanes. The segments were formed using groups of logical/adjacent cities along the I-95 corridor. The segment-to-segment ingress and egress demand was estimated from different data sources and alternatives. Generally, the segments were formed in-between an ingress and an egress point. The access points were identified based on optimal demand and the number of cities they served. Finally, the access points were refined based the design feasibility and agency coordination.

Statement on Why Abstract is Noteworthy:
The identification of access points is an iterative process that begins with market study analysis and concept of operation. This methodology is beneficial in screening the access point alternatives for Managed Lane projects. This paper presents a systematic process that is effectively demonstrated to the public and the decision makers. 

Presentation File