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Comprehensive Plan Transportation Element executed an interlocal agreement for regional coordination with the Martin and St. Lucie County MPOs and for participation in a regional transportation board, the Treasure Coast Transportation Council (TCTC). In so doing, the MPO helped the state achieve the Florida Transportation Plan objective of having 100%of MPOs being parties to regional agreements-by-2$I0. Since the initiation of transit services in Indian River County, the MPO has provided transit and transportation-disadvantaged planning services for the county. As a result of the 2001 Federal Transit Administration's Triennial Review, the MPO began meeting quarterly with the County's Community Transportation Coordinator, the Senior Resource Association. These meetings have been instrumental in coordinating transit planning in the county and in managing the increasing amount of federal and state grant funding. ANALYSIS This analysis section consists of several components. These components include separate sections for each of the different transportation systems. The first component is the traffic circulation system. That component is an assessment of present and future traffic flows, including roadway level of service. Other components contained in this section include an analysis of the bicycle/pedestrian, transit, aviation, rail, and other modal systems; an analysis of the energy efficiency of the transportation system and the maintenance and preservation of the system; an analysis of the relationship between transportation and land use; and other analyses. Much of the transportation system analysis is based on the MPO's 2030 2040 Long Range Transportation Plan that was approved in 20052016. Traffic Circulation System Because of the county's relatively low density and dispersed land use patterns, the traffic circulation system will continue to be the principal component of the county's transportation system through 20302040. For that reason, travel demand must be assessed to determine traffic circulation system needs through the plan's time horizon. Based upon travel demand analysis and needs assessment, future roadway improvements can be identified and programmed. Travel Demand In Indian River County, the two primary contributors to the long term growth in traffic volumes are population growth and growth in the number and length of trips. Over the 'ast decadeSince 2010, the county's population increased by 29.79.1%, a highcra moderate but equivalent growth rate compared to the 9.5%tori-growth rate the State of Florida experienced over t at tin esince 2010. While the population growth was highrobust, daily vehicle miles traveled and total person trips grew even faster. For daily vehicle miles traveled (DVMT), the increase was 38.520% through 2017,-and while-the person trips increase was'11.7%39%over mea period from 2000 to 2015. This is explained in part by the fact that many new households in the area have located in residences at the edges of developed areas, resulting in an increase in miles traveled higher than population growth. Meanwhile, commercial activity has largely concentrated along only two major corridors (the US 1 corridor and, more recently, the SR 60 corridor). While the expansion of commercial' Community Development Department Indian River County 71 • APPENDIX A—Transportation Amendments