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Disclaimer

The data included in the Memphis Urban Area MPO’s Interactive Webmaps are intended to provide information on the Memphis MPO’s planning products.  The data and information included in the maps have been carefully examined; however, errors or missing data may exist.  The map does not replace or invalidate the plans or documents from which the information was derived. For more detailed information, please refer to specific agency websites. Data layer updates are performed as needed and with time permitting.

To export any of the maps or dashboards included below as a PDF, image, or PowerPoint slide, navigate to the bottom right hand corner of the portal/map in Tableau and click the “Download” icon. (See image below)


Memphis MPO Planning Area

Key Terms:

  • MPO Planning Area: The Memphis MPO’s Metropolitan Planning Area (MPA)
  • Municipality/Jurisdiction: The municipal or jurisdictional boundaries of a municipality or agency

(Click the image below to visit the MPO Planning Area Interactive Webmap)

For more information on the Memphis MPO’s Planning Area, visit the Who We Are webpage.

Memphis MPO's 2050 Regional Transportation Plan (RTP) Projects

Key Terms:

  • Tier: The time frame in which the project is expected to be completed
  • Type: The type of improvement (e.g. bicycle/pedestrian, road widening, interchange improvements, etc.)
  • Cost YOE: The estimated Year of Expenditure (YOE) Cost of the project
  • Horizon Year: The time frame in which a project is expected to be completed
  • E+C: Existing and Committed (E+C) project(s) expected to be completed by the end of Fiscal Year (FY) 2023

(Click the image below to visit the MPO's 2050 RTP Projects Interactive Webmap)

For more information on the Memphis MPO’s 2050 RTP, visit the 2050 RTP webpage.

Memphis MPO’s FY 2020-23 Transportation Improvement Program (TIP) Projects

Key Terms:

  • Administrative Level: Distinguishes between projects that are administered by State agencies and projects that are administered by Local agencies
  • Lead Agency: The agency administering the project
  • MPO TIP ID: The Project ID assigned by the State DOT/MPO
  • Federal Funds Programmed: The total amount of federal funding programmed to the project in the FY 2020-23 TIP cycle
  • Total Cost: The estimated total cost of the project

(Click the image below to visit the MPO’s FY 2020-23 TIP Projects Interactive Webmap)

For more information on the Memphis MPO’s FY 2020-23 TIP, visit the FY 2020-23 TIP webpage.

Memphis MPO’s Functional Classification System

Key Terms:

  • Urban Interstate: Urbanized Area routes recognized by the Dwight D. Eisenhower National System of Interstate and Defense Highways.  Urban Interstates provided a superior network of limited access, divided highways offering high levels of mobility while linking major urban areas.

  • Rural Interstate: Routes recognized by the Dwight D. Eisenhower National System of Interstate and Defense Highways.  Rural Interstates provided a superior network of limited access, divided highways offering high levels of mobility while linking major urban areas.

  • Urban Other Freeway and Expressway: Urbanized Area routes offering directional travel lanes usually separated by some type of physical barrier.  Urban Other Freeways and Expressways can access and egress points limited to on- and off-ramp locations or very limited number of at-grade intersections.

  • Urban Other Principal Arterial: Urbanized Area routes that serve major centers of metropolitan areas, provide a high degree of mobility, and also provide mobility through rural areas.  Urban Other Principal Arterials, unlike Freeways, Expressways and Interstates, serve abutting land uses can be directly and serve demand for intra-area travel between the central business district and outlying residential areas.

  • Rural Other Principal Arterial: Routes designated to connect all or nearly all Urbanized Areas and a large majority of Urban Clusters.  Rural Other Principal Arterials provide an integrated network of continuous routes without dead ends.

  • Urban Minor Arterial: Urbanized Area routes that offer connectivity to the Principal Arterial system.  Urban Minor Arterials provide more land access than Principal Arterials without penetrating identifiable neighborhoods.

  • Rural Minor Arterial: Routes that link cities and larger towns and form an integrated network providing interstate and intercounty service.  Rural Minor Arterials provide service to corridors with trip lengths and travel density greater than those served by Rural Collectors and Local Roads and with relatively high travel speeds and minimum interference to through movement.

  • Urban Collector: Urbanized Area routes that serve a critical role in the roadway network by gathering traffic from Local Roads and funneling them to the Arterial network.  Urban Collectors serve both land access and traffic circulation in residential, and commercial/industrial areas.  

  • Rural Collector: Routes that serve primarily intra-county travel, not statewide, and constitute shorter travel distances than on Arterial routes.  Consequently, more moderate speeds may be posted; Rural Collectors can be subdivided into two subcategories: Major and Minor.

  • Rural Major Collector: Routes longer in length, lower connecting driveway densities, higher speed limits, and higher annual average traffic volumes, than their Rural Minor Collectors counterparts.  Rural Major Collectors link any county seat not on an Arterial route with nearby larger towns and cities or with Arterial routes.

  • Rural Minor Collector: Routes consistent with population density, to collect traffic from Local Roads and bring all developed areas within reasonable distance of a Collector.  Rural Minor Collectors provide service to smaller communities not served by a higher class facility and link locally important traffic generators with their rural interlands.

[Source: Federal Highway Administration (FHWA)]

(Click the image below to visit the MPO’s Functional Classification System Interactive Webmap)

Regional Transportation Infrastructure: Major Intermodal Facilities

This dashboard consists of public airports, major intermodal passenger facilities, and major intermodal freight facilities within the Memphis MPO’s Planning Area.

(Click the image below to visit the MPO’s Major Intermodal Facilities Interactive Dashboard)

(Date Source: GeoPlatform.gov)

Regional Transportation Infrastructure: Existing Bicycle Facilities

The data included in this map was provided to the MPO by various member agencies and local agencies within the MPO's Planning Area.

Key Terms:

  • Bike Lane: A division of a road marked with painted lines and dedicated to bicycle traffic
  • Cycle Track: A division of a road dedicated to bicycle traffic and with physical barriers (i.e. bollards or a raised median) to motorized traffic
  • Marked Shared Roadway: A road with pavement markings that indicates bicycle traffic may occupy the full lane
  • Paved Shoulder: Paved outside portion of the roadway adjacent to the travel lane that may serve bicycle traffic
  • Shared Use Path: Paved off-road facility used for transportation and recreation by bicycle and pedestrian traffic
  • Signed Shared Roadway: A roadway with signage indicating shared car and bicycle use
  • Trail: An unpaved path

(Click the image below to visit the MPO’s Existing Bicycle Facilities Interactive Webmap)

Memphis MPO’s Congestion Management Process (CMP) Dashboard

Key Terms:

  • Peak Hours of Excessive Delay (PHED) per Mile: The threshold for excessive delay is based on the travel time at 20 miles per hour or 60% of the posted speed limit travel time, whichever is greater, and is measured in 15-minute intervals. The annual hours of PHED per mile measure divides the total annual hours of peak hour excessive delay along a segment by the total length (in miles) of the segment.
  • Level of Travel Time Reliability (LOTTR): LOTTR is defined as the ratio of the longer travel times (80th percentile) to a normal travel time (50th percentile), and segments with a ratio of 1.50 or higher are considered unreliable. This calculation is conducted during 4 time periods; 1) Weekdays 6 A.M.-10 A.M. 2) Weekdays 10 A.M.- 4 P.M. 3) Weekdays 4 P.M-8 P.M 4) Weekends 6 A.M. to 8 P.M. In order for a segment to be considered reliable, the LOTTR ratio must be below 1.50 for all four time periods.
  • Truck Travel Time Reliability Index (TTTR): The TTTR ratio is generated by dividing the 95th percentile truck travel time by the 50th percentile truck travel time for each  reporting segment. Reporting is divided into five periods: 1) Weekdays 6 A.M.-10 A.M. 2) Weekdays 10 A.M.-4 P.M. 3) Weekdays 4 P.M.-8 P.M. 4) Weekends 6 A.M.-8 P.M. 5) Overnights for all days 8 P.M.-6 A.M. The TTTR Index is generated by multiplying each segment’s largest ratio of the five periods by its length, then dividing the sum of all length-weighted segments by the total length of Interstate.

(Click the image below to visit the MPO’s Congestion Management Process (CMP) Interactive Dashboard)

(Data Source: National Performance Management Research Data Set)

For more information on the Memphis MPO's CMP and the metrics included in this map, visit the Congestion Management Process webpage.

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Memphis, TN 38103
Tel: (901) 636.7190
Fax: (901) 636.9404

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