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Past Projects
Past Projects
Bosan Engineering Enterprise brings 18+ years of transportation and civil engineering experience to every client, drawing on a career spanning signalized intersection design, interchange access studies, pedestrian and ADA safety analysis, systemic safety programming, roadway and site design, and traffic impact studies across the public and private sectors. The projects below reflect the professional history of Nadia Geesman prior to and in founding BEE.
Signal Warrant Analysis
Corridor & Intersection Operations Studies
Corridor & Intersection Operations Studies
Evergreen Mill Road / Alpine Drive Signal Warrant Analysis — Conducted a signal warrant study and subsequently led design of a traffic signal and rectangular rapid flashing beacon (RRFB) as part of the Evergreen Mill Road widening project in Loudoun County, Virginia.
Peabody Square VISSIM Operations Analysis — Developed a VISSIM microsimulation model to evaluate multimodal operations and inform improvement recommendations at Peabody Square.
Freeway Basic Work Zone Summary Analysis
Interchange Capacity Analysis & Access Studies
Interchange Capacity Analysis & Access Studies
Mount Vernon Highway Signal Justification Report — Lead a Traffic Team that developed a signal justification report evaluating warrants and operational impacts of a proposed traffic signal along Mount Vernon Highway.
Route 267 Work Zone Capacity Analysis — Performed a capacity analysis to evaluate traffic operations through a planned work zone along Route 267, supporting construction phasing decisions.
Pedestrian Safety & ADA Accessibility
Pedestrian Safety & ADA Accessibility
Pedestrian Crossing Accommodations at Unsignalized Locations
Developed seven crosswalk and pedestrian safety studies for VDOT per VA IIM-TE-384.1. The analyses evaluated crossing conditions, sight distance, and treatment recommendations (including marked crosswalks, RRFBs, and PHBs) to improve pedestrian safety at priority locations
Fort Pickett Tank Crossing RRFB Design Memo — Authored a design memorandum recommending a rectangular rapid flashing beacon to improve visibility and safety at a military vehicle crossing at Fort Pickett.
Statewide ADA Sidewalk Compliance Program (Vermont) — Evaluated sidewalk segments across Vermont for ADA compliance, identifying deficiencies and recommending upgrades as part of a statewide accessibility initiative.
Safe Routes to School Walk Audits (Connecticut) — Conducted pedestrian and bicycle safety walk audits at schools across Connecticut on behalf of ConnDOT, identifying infrastructure improvements to support safer routes for students walking and biking to school.
I-90 MA Toll Plaza
Traffic Signal, ITS, Load Analysis and Traffic Engineering Design
Traffic Signal, ITS, Load Analysis and Traffic Engineering Design
Evergreen Mill Road Widening (Signal & RRFB Design) — Designed traffic signal and RRFB improvements integrated into a roadway widening project, coordinating geometric, signing, and signal plan elements.
I-90 Toll Plaza Pavement Marking Design — Developed pavement marking design for an I-90 toll plaza facility, laying out lane striping and signage to guide safe, efficient traffic flow through the tolling area.
I-395 / I-66 CCTV Pole Design — Designed closed-circuit television (CCTV) camera pole installations to expand traffic monitoring coverage along the I-395/I-66 corridor.
ITS Integration Phase III (Alexandria) — QA/QC — Provided quality assurance and quality control review for a citywide intelligent transportation systems integration program in Alexandria, Virginia.
VDOT Chesterfield ITS Design — Project Manager contributing to ITS design for VDOT's Chesterfield District, supporting improved traffic monitoring and incident management infrastructure.
Hatfield Gate Interchange Access Report — Prepared an interchange access report addressing access justification at Hatfield Gate.
Systemic Safety Programs
Systemic Safety Programs
Virginia Highway Safety Improvement Program (VHSIP) — Contributed to multiple systemic safety programs under VHSIP, applying data-driven safety analysis to identify and prioritize low-cost, high-impact countermeasures across Virginia roadway networks.
South Van Dorn STARS Program — Supported the Statewide Transportation Alternatives and Roadway Safety (STARS) program addressing safety improvements along South Van Dorn Street.
Glebe Road STARS Program — Contributed to a companion STARS safety improvement program along Glebe Road.
Ft Pickett/Ft Barfoot Military Base MOT Analysis
International & Federal Quality Assurance
International & Federal Quality Assurance
Chièvres Air Base Gate 14 Access Control Point Study (Belgium) — Provided quality assurance and quality control for an access control point (ACP) study at a U.S. military installation in Belgium, supporting security and traffic flow improvements at the gate.
Fort Pickett/Ft Barfoot Pavement Rehabilitation (Maintenance of Traffic) — Developed maintenance of traffic (MOT) plans to safely manage vehicle movements during pavement rehabilitation work at Fort Pickett.
Baltimore Avenue (Quality Assurance / Quality Control) — Led QA/QC review for a roadway improvement project along Baltimore Avenue.
VT Hurricane Irene Repairs
Roadway & Site Design
Roadway & Site Design
Vermont Route 112 Embankment Repair — Designed embankment stabilization and repair improvements along VT Route 112 in coordination with VTrans.
Vermont Route 2A Reconstruction — Contributed civil design for the reconstruction of VT Route 2A, addressing roadway geometry, drainage, and pavement design.
US Route 2 / VT Route 117 Park & Ride — Designed a park-and-ride facility at the intersection of US Route 2 and VT Route 117, including site layout, circulation, and parking design.
MWRA Spot Pond Improvements — Provided civil design services for site improvements at the Massachusetts Water Resources Authority's Spot Pond facility.
Mixed Use Development TIA
Private Development Traffic Impact Studies
Private Development Traffic Impact Studies
Led traffic impact analyses for private development projects across Massachusetts, evaluating trip generation, intersection operations, and mitigation needs to support municipal permitting and approval processes.
Municipal Engineering & Plan Review
Municipal Engineering & Plan Review
Served as a contract municipal engineer for 14 California municipalities and Stanislaus County, providing plan review, traffic engineering support, and project management across public works programs. Supported municipal clients in securing more than $1 million in grant funding for local transportation and infrastructure improvements.
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