TFIC Documentation

The Transportation Forecast Information Center (TFIC) gives you quick access to SANDAG's regional transportation model forecasts. You may use this tool to look at the forecasts on screen as well as print maps or tables (coming soon).

Forecasted average weekday traffic volumes (in thousands) are displayed for freeways, ramps, and major and minor roads. Individual roadway segments can be selected to obtain additional information including street name, type of roadway, number of lanes, and posted speed. Traffic Analysis Zone (TAZ) connector volumes are also displayed. A tool is included for selecting and zooming to Master Geographic Reference Area (MGRA) boundaries.

For ABM2+, forecasted AWDT may seem low due to the following factors: Pricing policies, freeway configurations, and land use policies. The 2021 Regional Plan & Sustainable Communities Strategy (RP/SCS) employs pricing policies that differ from previously approved plans. Policies related to parking pricing, road user charge pricing (RUC), and managed lane pricing can be found in table D-7 of Appendix D. For managed lanes, the 2021 RP/SCS specifies for the first time that a portion of the total managed lane network shall be configured by repurposing existing freeway general purpose lanes. These corridors can be found in tables A1-A11 of Appendix A. The adopted land use forecast in the 2021 RP/SCS focuses additional growth in Mobility Hub areas regionwide and can be further examined in Appendix F.

The Vehicle Miles Traveled (VMT) reported in TFIC is an individual link-based VMT figure only. It is derived by multiplying the total link ADT by the roadway link length in miles. These VMT figures by link cannot be ascribed to an auto tripís distance or origin/destination. For zone centroids, the VMT figure should be considered with caution. Zone connectors are meant to represent a TAZís internal network but emphasis is placed on proper trip distribution from the TAZ to the modeled road network. It is recommended that these link-based VMT figures not be used for any analysis related to state or local policies such as SB-375, SB-743, or jurisdictional Climate Action Plans.

Data Sources: SANDAG uses an activity based regional transportation model (ABM) to produce highway and transit forecasts for Regional Transportation Plan (RTP) phase years. These forecasts are updated periodically to incorporate the most recent planning assumptions.

ABM2 2019 RTP forecasts were generated to support the 2019 Federal Regional Transportation Plan adopted by the SANDAG Board of Directors on October 25, 2019.

ABM2+ 2021 RP forecasts were generated to support the 2021 Regional Plan & Sustainable Communities Strategy adopted by the SANDAG Board of Directors on December 10, 2021.

Interactive Map User Instructions

** Click on the Map tab to launch the TFIC interactive map and follow the user instructions below **

Traffic Volume Forecast Data & MGRA Query - ABM2 2019 RTP

Step 1: Select a forecast series by clicking on the ABM2/2019 RTP button


Step 2: Select a forecast year and click OK, the data will be loaded into to the map panel


Step 3: To select and zoom to the desired MGRA, enter a number between 1 and 23,002

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Traffic Volume Forecast Data & MGRA Query - ABM2+ 2021 RP

Step 1: Select a forecast series by clicking on the ABM2+/2021 RP button

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Step 2: Select a forecast year and click OK, the data will be loaded into to the map panel

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Step 3: To select and zoom to the desired MGRA, enter a number between 1 and 23,002

Additional Tools.

Step 1: Click on the blue button to open the basemap panel containing 3 basemap options

Step 2: Once the basemap panel is visible, click on the basemap image to load the desired map

Step 3: To hide the basemap panel, click on the blue button again

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map

Step 2: For help on how to use the functionalities included in this app click on the blue book icon

View Legend: To view the map legend, click on the legend collapsible panel header

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map
Disclaimer

We make every effort to produce accurate forecasts. If you find a traffic volume that appears to be in error, e-mail us at tfic@sandag.org with the location and description of the problem. We will make corrections to our databases and produce revised forecasts in the next update cycle.

While the data have been tested for accuracy and are properly functioning, SANDAG disclaims any responsibility for the accuracy or correctness of the data.

THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES OR MERCHANTABILITY,
FITNESS FOR PARTICULAR PURPOSE AND/OR ANY OTHER TYPE WHETHER EXPRESSED OR IMPLIED.

In no event shall SANDAG become liable to users of these data, or any other party, for any loss or damages, consequential or otherwise, including but not limited to time, money, or goodwill, arising from the use, operation or modification of the data. In using these data, users further agree to indemnify, defend, and hold harmless SANDAG for any and all liability of any nature arising out of or resulting from the lack of accuracy or correctness of the data, or the use of the data./p>

To assist SANDAG in the maintenance of the data, users should provide SANDAG, at the address shown below, information concerning errors or discrepancies found in using the data.

SANDAG
Attn: GIS Project Manager
401 "B" Street, Suite 800
San Diego, CA 92101

GISTeam@sandag.org

In using the data, users should be aware that these data are generalized and not parcel based, and were created for use in regional planning projects.

Please acknowledge SANDAG as a source when SANDAG data are used in the preparation of reports, papers, publications, maps, and other products.

To ensure that appropriate documentation and data limitations are provided, these databases should not be redistributed to any other parties.