Welcome to the INFORMS Transportation Science and Logistics (TSL) Society!

The INFORMS Transportation Science and Logistics (TSL) Society provides INFORMS members and friends with a sustained, specialized focus on all topics of transportation science and logistics, including current and potential problems and contributions to their solution, and supports efforts to extend, unify, and integrate related branches of knowledge and practice. We encourage the education of students and the continuing education of practitioners.

The Society was formed in 2004 with the merger of the Transportation Science and Logistics Sections. The Aviation Applications Section became an affiliate of the Society in 2008 and all members of the Aviation Applications Section are also members of TSL.

The Society is the editorial home of one of INFORMS’ flagship journals, Transportation Science.

The Society includes five special interest groups: Air Transportation, Freight Transportation and Logistics, Urban Transportation Planning and Modeling, Facility Logistics, and Intelligent Transportation Systems.

TSL includes just under 1,000 members, almost half of whom are students. More are welcome. Find us on Twitter!
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  • New Braunfels, Texas, The City of New Braunfels is seeking a collaborative, transportation planning savvy individual to join the Transportation and Capital Improvements Department and continue the success of servicing the current and future needs of the New Braunfels community. Graduate Engineer or Engineer-In-Training would also be considered for this impactful position. GENERAL PURPOSE:   Under general supervision, performs professional engineering and project management work in the planning, design, and operations of traffic and transportation projects and project components; investigates requests for changes to traffic control devices that optimize the mobility, safety, and accessibility of city’s multimodal transportation network; and prepares and reviews traffic studies related to capital projects, street maintenance, and development. PRIMARY DUTIES AND RESPONSIBILITIES: The following duties ARE NOT intended to serve as a comprehensive list of all duties performed by all employees in this classification, only a representative summary of the primary duties and responsibilities. Incumbent(s) may not be required to perform all duties listed and may be required to perform additional, position-specific duties. Oversees the investigation of traffic requests generated by City Departments, external stakeholders, and the public regarding transportation and capital projects. This includes responding to traffic control devices and traffic calming requests, signal timing and operation, and identification of work order opportunities (e.g., signing and pavement markings) to enhance the operation and safety of existing facilities. Serve as the Transportation & Capital Improvements (TCI) Department’s staff liaison for the Transportation and Traffic Advisory Board. Attends other meetings as needed (e.g., City Council, City Boards and Commissions, Alamo Area Metropolitan Planning Organization (AAMPO) committees, etc.) to discuss transportation initiatives. Oversees changes to and optimizes the City’s traffic signal system. Manage consultant contracts for planning, designing, and implementing traffic signal improvements and signal retiming evaluations. Manages implementing and updating the city’s Street Safety Action Plan. Utilize data (e.g., crash reports), research, and best practices to pursue low-cost, easy-to-implement transportation infrastructure enhancements proactively and equitably in addition to more costly improvements that may require capital project prioritization. Serve as the TCI Department’s primary conduit between the TCI Department and the Public Works Department’s Streets and Drainage Division. Coordinates with the Police Department to determine the appropriate installation and enforcement of traffic control devices. Provides technical support and guidance to Planning & Development Services Department staff through zoning, plat, and permit review and approval of private development projects. Provides technical support and review of project identification and prioritization, design plan review, and construction of city capital projects. Assists with long-range planning efforts (e.g., area or corridor studies). Reviews traffic studies, models, and other transportation forecast reports. Assists in addressing citizen/neighborhood requests for traffic calming by providing engineering analysis and presentations to applicable boards, committees, and/or commissions. Assists with project identification and cost estimates for the City’s Capital Improvement Program and the AAMPO’s Transportation Improvement Program. Assist in developing, presenting, and pursuing City Code and policy updates. Assist in the documentation and enhancement of standard processes, standard drawings, and specifications. Manages consultant service contracts for traffic analysis, data collection, and transportation project design. Reviews engineering plans prepared by consultants and assists in coordinating input from City departments and project stakeholders. Performs other duties as assigned or required. MINIMUM QUALIFICATIONS: Education and Experience: A bachelor’s degree in civil engineering or a related field, AND four years of progressively responsible professional engineering experience, including one year in traffic engineering, OR an equivalent combination of education and experience. A master’s degree and experience in municipal government are preferred.   Required Licenses or Certifications: Must possess or be able to obtain, at the time of hire, a valid Texas Driver’s License. Texas Professional Engineer (PE) License, or the ability to obtain by reciprocity within six (6) months of hire date. Professional Traffic Operations Engineer (PTOE) certification is preferred. Graduate Engineer Considerations: A graduate engineer or engineer-in-training may be considered. A bachelor’s degree in civil engineering or a related field, AND a minimum of two years of progressively responsible traffic engineering experience, AND Texas Engineer in Training certification are required.   Required Knowledge of: Texas Manual on Uniform Traffic Control Devices (TMUTCD). Traffic engineering, transportation planning, and multimodal transportation principles and practices. Traffic and transportation standards and design guidelines, including Texas Department of Transportation (TxDOT), American Association of State Highway Officials (AASHTO), National Association of City Transportation Officials (NACTO), Federal Highway Administration (FHWA), and Institute of Transportation Engineers (ITE). Intelligent transportation systems, traffic signal operation and equipment, and work zone traffic safety. The Americans with Disabilities Act (ADA). Local government organization, operations, policies, and procedures. Graphic and digital mapping methods and file management procedures. Principles of digital record keeping and records management. Budget and financial management principles. Public relations techniques and procedures.   Required Skill in: Interpreting technical documents and map specifications. Collecting, tabulating, organizing, evaluating, analyzing, and presenting data and information. Reading, interpreting, understanding, creating, revising, and applying planning standards and procedures, applicable Federal and state rules and regulations, and City policies, procedures, and ordinances. Interpreting and enforcing contract language. Planning, preparing, and conducting presentations to groups. Interpreting and applying department standards and City policies. Assessing and prioritizing multiple tasks, projects, and demands. Establishing and maintaining cooperative working relationships with coworkers, elected and appointed officials, other agencies, businesses, and the general public. Operating a personal computer utilizing a variety of software. Applied critical and analytical thinking to solve complex problems, develop recommendations, and effectively discuss with pertinent individuals or groups. Effective communication, both verbal and written. Appropriate dress and appearance.   Physical Demands / Work Environment:   Work is performed in a standard office environment and is subject to sitting, standing, walking, bending, and reaching for extended periods of time. Must be able to safely pull, push, lift, and carry equipment and materials weighing up to thirty (30) pounds. Some fieldwork is required outdoors in all weather conditions. May be required to work immediately before, during or after an emergency or disaster. The City of New Braunfels may offer a hiring salary commensurate with experience
  • Valparaiso, Indiana, Our Valparaiso, IN site which specializes in High-Purity Iron Oxide Pigments is seeking a  Site Manager  to provide leadership, direction, and focus for all operational activities at the site.  This includes leadership for a broad range of activities including EHSS, Production, Quality, Controlling, Engineering, Maintenance, Supply Chain, Logistics, Site Services, and Talent.  In addition, the position ensures that all processes and activities comply with Sun Chemical policies, regulations and our values for safety, quality, environmental and financial stewardship. The Site Manager is a member of the Color Materials North America Operations Leadership Team and interacts with global functions to fulfill the mission of the business and the site, ensuring customer satisfaction, and achieving operational excellence. Core Responsibilities Lead, coach, and develop the Valparaiso site team to excellence in EHS performance, and manufacturing capability, to meet customer expectations in quality, service, and delivery with the results of business growth and increased cash generation. Drive a culture where continuous improvement, breakthrough performance, employee engagement, and an enjoyable work environment are expectations of all team members. Identify and manage all operational risks including EHS, regulatory, quality, cost, equipment optimization and reliability.  The site falls under OSHA PSM. Develop and implement budget, objectives, personnel plans, inventory management, and capital plans that align with the strategic objectives of the global strategic business units that are supplied by the Valparaiso site. Develop and implement long-term manufacturing and asset strategies to ensure assets are aligned with global business strategy, as well as provide for reliable and flexible product availability while maximizing asset utilization. Represent Sun Chemical in community outreach, governmental relations with state and local authorities. Foster a work environment based on Sun Chemical values, promote diversity of perspectives, and create a high-performance team across the organization resulting in strong employee satisfaction. Leadership Core Responsibilities:  Coach and develop team members to reach their full potential Support development assignments and movement of talent across units Motivate and challenge to drive high performance Commit to "hiring the best" internally and externally Create an inclusive environment which embraces and derives value from diversity Execute performance and career development discussions Role model and enable development of competencies in others needed to implement Sun Chemical’s strategy Establish and support a safety culture in which all accidents are preventable   Qualifications: Bachelor's degree in a technical discipline required (Engineering preferred). Master’s degree in any discipline is a strong plus. Ten (10) years or more of demonstrated leadership experience in manufacturing, including a variety of managerial positions, preferably in chemical industry, required. Plant Manager experience required, and Site Manager experience preferred.  Experience in successfully managing both union and non-union relationship is preferred, with demonstrated ability to positively manage employee relation issues, improve site culture through employee engagement, and optimize organizational design. Demonstrated track-record of manufacturing achievement in the critical success areas of EHSS (including OSHA PSM), cost reduction, quality improvement, cycle time reduction, asset optimization, large capital project management, and application of leading edge methods and technologies Excellent analytical/problem solving skills with ability to analyze complex technical, operational and financial data and develop effective solutions. Demonstrated ability to effectively communicate with and influence people at all levels in the organization, customers, suppliers and other external contacts that allows for achievement of substantial results through others. Keen ability to focus employees at all levels to recognize the “right thing to do” and empower them to act decisively within their ability and area of responsibility.  Demonstrated leadership ability to build strong teams, coach, influence and guide employees, and the ability to recognize and develop talent throughout the organization. Proven track record for creating continuous improvements in the culture, facilities, and technology at a manufacturing site. BENEFITS We offer a range of market-competitive total rewards that include merit increases, paid holidays, Paid Time Off, medical, dental, vision, short and long term disability benefits, 401(k)+match and life insurance. Eligibility of benefit timing may vary. EQUAL EMPLOYMENT OPPORTUNITY It is Sun’s policy that applicants for employment are recruited, selected, and hired on the basis of individual merit and ability with respect to the position being filled. Sun prohibits discrimination on the basis of race, color, religion, creed, national origin, age, gender, sexual orientation, gender identify, marital or veteran status, disability, or any other status protected by applicable law.
  • Uniondale, New York, Do you want to join a team that values Service, Collaboration and Excellence? Do you want to work with an organization that is committed to serving its customers and community by providing clean, reliable, and affordable energy to Long Island and the Rockaways? Is being part of a value-driven organization important to you? If yes, please check us out!                                                                                                     Who We Are                                                                                                                                We are a team of motivated, engaged, and exceptionally talented self-starters, willing to roll up our sleeves and do what is necessary to get the job done.  If you are interested in joining this dynamic team and have a passion to learn, develop, and want your experience to make an immediate impact, please apply. To find out more about us, please visit our website www.lipower.org What We Offer We offer an environment of continuous development and growth.  LIPA offers a thriving company culture, exceptional colleagues, and great benefits. Our benefit package includes: Hybrid work and flexible hours Excellent Medical insurance No Cost Dental and Vision insurance to employee Paid holidays and generous leave time Professional development opportunities Educational assistance opportunities Multiple retirement plan options with company contribution Short-term and long-term disability coverage Flexible spending account Life Insurance 529 College Savings Program $300 Wellness Reimbursement What You’ll Do At LIPA The Director of Procurement Strategy and Operations (Director) manages LIPA’s procurement department, and oversees PSEG Long Island’s procurement department, to ensure the effective purchase of the highest quality goods and services at a reasonable cost, in a timely and efficient manner, while meeting the policy goals and reporting requirements of New York State public authorities.  The Director is responsible for developing a strategic approach to LIPA’s procurement of goods and services, ensuring robust competition from varied, high-quality vendors. In this leadership role, the successful candidate will develop and implement industry best practices for LIPA’s procurement of goods and services and similarly oversee PSEG Long Island policies, practices, procurements, warehousing, and supply chain functions. Other Essential Job Functions include: Proficient in Microsoft Excel, PowerPoint, and Word.? Ability to effectively engage with all levels of the organization.? Strong understanding of finances. Strong analytical and strategic skills with the ability to manage and direct the procurement function, overseeing supplier relationships, logistics, and cost reduction. Effective analytical and negotiating skills Ability to drive supplier performance, especially regarding how well a supplier meets contractual obligations and performance expectations. An understanding of the commodities and pricing determinants for goods and services within the utility and energy market? Ability to identify areas for improvement and drive continuous innovation. Strong interviewing, relationship building, and other interpersonal skills to support, among other things, mutual assistance during periods of extreme weather or other system emergencies?? Outstanding communication, team building, and leadership skills? LIPA is an equal opportunity employer.
  • Madison, Wisconsin, KL Engineering is seeking a Traffic Engineer to work out of our Madison, Green Bay, Menomonie, or Germantown office, or within a hybrid or remote working accommodation.  This individual will be working with a team of professionals who are invested and excited about the opportunity to work on a variety of infrastructure projects and initiatives that improve mobility, accessibility, sustainability, and safety.  This role includes completing technical assignments for a variety of projects while leading and mentoring staff engineers.  This is an exciting opportunity for a mid-career engineer to join a growing traffic engineering team and develop their career! At KL Engineering, we work on diverse and challenging projects within a team of talented and experienced engineers in an inclusive, collaborative, and flexible work environment. Our focus is to provide employees meaningful work and involvement enabling them to learn, grow, and thrive personally and professionally. Our shared values of integrity, dependability, excellence, work-life balance, diversity, and commitment to our clients and each other is the foundation of our continued success.   RESPONSIBILITIES Work under direction of a project manager or discipline leader to complete traffic engineering studies and prepare written reports and presentations of project findings. Study types include: Corridor Planning Studies Multi-modal Transportation Improvement Plans Traffic Impact Analyses (TIAs) WisDOT Design Reports Safety Studies Work under direction of a project manager or discipline leader to complete traffic signal, roadway lighting, and Intelligent Transportation System (ITS) design. Research and problem solve design or construction related challenges. Work with private and public clients and professional counterparts to ensure projects are delivered on-time and within budget, while meeting and/or exceeding client expectations. Assist in monitoring project schedules and activities. Perform analytical and investigative tasks including traffic operations modeling, formal traffic safety analysis, review of reference materials and manuals, and identification of operations improvement alternatives and safety improvement countermeasures. Plan traffic and safety data collection efforts and oversee staff and equipment during implementation of data collection plans. Engage in training and mentoring activities with staff engineers. Perform field reviews for infrastructure and electrical design projects. Prepare summary materials in written and graphical formats. Opportunities for project management based on experience and continued professional growth. More experienced candidates would have the opportunity to lead teams, manage projects, and mentor others. QUALIFICATIONS Bachelor’s degree in civil engineering or a related field. 3 - 8+ years of traffic engineering experience. Registration as a professional engineer in the state of Wisconsin or the ability to become registered within one year. PTOE or RSP certification preferred. Extensive experience with traffic engineering analysis and design software including HCS, Synchro, AutoCAD Civil3D and Sidra. VISSIM and IHSDM experience strongly preferred. Good data interpretation and technical writing skills. Strong organizational, analytical, and time management skills, with high level of attention to detail and self-motivated to be successful. Ability to identify and establish work priorities while balancing multiple projects. Good interpersonal and communication skills and ability to work in a collaborative team environment, communicate (virtually and in-person) with clients and colleagues, both verbally and in writing. Previous experience on transportation projects (WisDOT experience a plus). This position requires you to have authorization to work in the United States for any employer. We will not provide sponsorship for this position.

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