GLOSSARY
Irvine Traffic Research and Control Center (ITRAC) Irvine Transportation Analysis Model (ITAM)
Manages, operates and maintains the City’s master traffic signal system computer to analyze/implement traffic signal timing and coordination parameters. Irvine’s computerized analytical tool used by traffic e ngineers and transportation planners to predict traffic conditions. ITAM is designed to simulate driver behavior by replicating land use, socioeconomic and roadway conditions. The results assist the City in planning needed roadway improvements, coordinating traffic signals, monitoring traffic and evaluating the impacts of new development.
Irvine Transportation Authority (ITA)
A decision-making body that can be activated to address current transportation issues within the City.
Irvine Transportation Center (ITC)
A regional multi-modal transportation center served by Amtrak and Metrolink trains and Orange County Transportation Authority buses.
Irvine Unified School District (IUSD)
A local school district comprised of 22 elementary schools, five middle schools, four comprehensive high schools, and one continuation high school (www.iusd.org).
Irvine Valley College (IVC)
A two-year public community college located in Irvine (www.ivc.edu).
Landscape, Lighting, and Park Maintenance
An assessment district to provide funds for park and parkway landscaping, lighting and park maintenance. The budget is detailed in Fund 119.
Lease-Purchase Agreement
Contractual agreements which are termed leases, but whose lease amount is applied to the purchase.
Level of Effort
Generally used to identify the number of staff providing a particular service.
Level of Services
Generally used to define the existing or current services, programs and facilities provided by government.
Levy
To impose taxes, special assessments or service charges for the support of governmental activities.
Local Agency Formation Commission (LAFCO)
Reviews proposals for the formation of new local governmental agencies and changes of organization in existing agencies (www.oclafco.org).
494
FY 2023-25 Adopted Budget
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