• ♦Manual Notice 2005-1
• ►1. Texas Reference Marker System
  • ►1. Introduction to TRM
    • ♦What is TRM?
    • ♦Development of the TRM System
    • ♦Documents Establishing TRM
    • ♦Benefits of TRM
    • ♦What This Manual Provides
  • ►2. Key Points to Know
    • ♦Responsibilities and Definitions for TRM
    • ♦Official TRM Location Key
  • ♦3. Data Maintenance Responsibility
  • ►4. Establishing a Route
    • ♦Summary
• ►2. Feature Characteristics
  • ►1. Key Points to Know
    • ♦Identifying Characteristics
    • ♦Defined Characteristics
  • ►2. ADABAS Feature Characteristics
    • ♦Column Headers
    • ♦Feature Names
    • ♦Data Classes
    • ♦Field Size
    • ♦Roadbed Classes
    • ♦Maintenance Responsibilities
  • ►3. ADABAS Matrix
    • ♦Why Use the ADABAS Matrices?
    • ♦ADABAS Legend
    • ♦TPP ADABAS Matrix
    • ♦District ADABAS Matrix
    • ♦TPP/District ADABAS Matrix
    • ♦Construction Division ADABAS Matrix
    • ♦TRM System ADABAS Matrix
• ►3. TRM Operating Environment
  • ►1. Key Points to Know
    • ♦Texas Reference Marker System
    • ♦Authorized Users of the TRM System
    • ♦Definitions
    • ♦Logging On the Operating System
    • ♦Logging Off the Operating System
  • ►2. Entry Screen Features
    • ♦TRM Data Entry Screens
    • ♦Description of Screen Components
    • ♦Function Keys
    • ♦Negative Conversion Window
    • ♦Numeric Entry Fields
    • ♦Online Help Facilities
  • ►3. TRM Update Functions
    • ♦Which Update-Code to Use?
    • ♦Functions per Data Classification
    • ♦TRM Update-Code
  • ►4. TPP Database Maintenance
    • ♦Input to Begin
    • ♦Update Functions
  • ►5. District Database Maintenance
    • ♦Input to Begin
    • ♦Update Functions
  • ►6. Construction Division Database Maintenance
    • ♦Input to Begin
    • ♦Update Functions
  • ►7. TRM Query
    • ♦How to Query the TRM System
    • ♦Length Data Display
• ►4. ARI & Report Processing
  • ►1. Automated Road Inventory Diagram
    • ♦What is an ARI?
    • ♦TRM System ARI Processing
    • ♦ROSCOE ARI Processing
    • ♦Generating an ARI Diagram
    • ♦Editing an ARI Diagram
    • ♦Plotting an ARI Diagram
    • ♦Generating Another ARI Diagram
  • ►2. Available TRM Reports
    • ♦About This Section
    • ♦Emergency Closings
    • ♦Routes Opened by Districts
    • ♦District Required Elements
    • ♦TPP Required Elements
    • ♦Transferred Routes
    • ♦Mile Point-Reference Marker Equivalency
    • ♦TRM Data Export
  • ►3. Report Processing
    • ♦Printing a Report
    • ♦TRM Report Processing
    • ♦ROSCOE Report Processing
    • ♦ODVS Report Processing
    • ♦TRM Data Export Processing
• ►5. Routes
  • ►1. Key Points to Know
    • ♦Why Add, Delete, or Update a Route?
    • ♦This Chapter
    • ♦Office of Responsibility
    • ♦Process from Letting to Final Input
    • ♦Distance From Origin Defined
    • ♦Distance Between Markers Defined
    • ♦Placeholder Markers 0000 and 9999
  • ►2. Adding New Routes
    • ♦New Route Defined
    • ♦Input—Add New Route
  • ►3. Adding Contiguous Route Segments
    • ♦Contiguous Route Defined
    • ♦Input—At Beginning of Route
    • ♦Input—At End of Route
    • ♦Input—To Beginning of Roadway Gap
    • ♦Input—To End of Roadway Gap
  • ►4. Adding Non-Contiguous Segments
    • ♦Non-Contiguous Route Defined
    • ♦Input—Before Beginning of Route
    • ♦Input—After End of Route
    • ♦Input—Within Roadway Gap
  • ►5. Adding Gap Filler Segments
    • ♦Gap Filler Segment Defined
    • ♦Determining Length of Gap Filler
    • ♦Input—Add Gap Filler
  • ►6. Redesignating Routes
    • ♦Route Redesignation Defined
    • ♦Important Redesignation Caution
    • ♦Definitions
    • ♦Determining the Redesignation Situation
    • ♦Caveats to All Redesignations
    • ♦Input—Situation A: Entire Route to New Designation
    • ♦Input—Situation B: Partial Route Section to New Designation
    • ♦Input—Situation C: Contiguous Segment to Beginning of Existing Route
    • ♦Input—Situation D: Contiguous Segment to End of Existing Route
    • ♦Input—Situation E: Contiguous Route Segment to Fill Gap
  • ►7. Deleting Routes
    • ♦When to Delete Route
    • ♦Input—Delete Complete or Partial Route
  • ►8. Transferring Routes
    • ♦When to Transfer Route
    • ♦Input—Transfer Complete or Partial Route
• ►6. Highway Status
  • ►1. Key Points to Know
    • ♦Importance of Highway Status
    • ♦Offices of Responsibility
    • ♦Definitions
  • ►2. Highway Status Updates
    • ♦Other than Emergency Route Closings Status
    • ♦Input—Other than Emergency Route Closings
    • ♦Emergency Route Closings Status
    • ♦Input—Emergency Route Closings
• ►7. Reference Markers & Coordinates
  • ►1. Reference Markers — Key Points to Know
    • ♦Reference Marker Defined
    • ♦This Chapter
    • ♦Offices of Responsibility
    • ♦Reference Marker Numbering System
    • ♦History
    • ♦Definitions
  • ►2. Reference Marker Installation Procedures
    • ♦Installation
    • ♦Location
    • ♦Reference Marker Specifications
    • ♦Uniform Posting Procedures
    • ♦Highway Hierarchy
    • ♦Developing a New Route in Sections
    • ♦Joining Two Different Routes
    • ♦Extending a Route
    • ♦Realigning a Route
    • ♦Business Routes and Spurs
    • ♦Circumferential Routes
    • ♦Moving an Existing Reference Marker
    • ♦Concurrent Routes
  • ►3. Reference Marker Input Instructions
    • ♦Reference Marker Constraints
    • ♦Input—Reference Markers
  • ►4. Marker Coordinates — Key Points to Know
    • ♦Marker Coordinates Defined
    • ♦Office of Primary Responsibility
    • ♦Definitions
    • ♦Input—Marker Coordinates
    • ♦Geographic Information System
    • ♦Global Positioning System
• ►8. Roadbeds
  • ►1. Key Points to Know
    • ♦When to Establish Roadbeds
    • ♦Offices of Responsibility
    • ♦Definitions
  • ►2. Roadbeds
    • ♦Adding Roadbeds
    • ♦Input—Add New Roadbeds
    • ♦Input—Delete Non-Mainlane Roadbeds
    • ♦Input—Update Roadbeds
• ►9. Linked Route Segments
  • ►1. Key Points to Know
    • ♦Linked Route Defined
    • ♦Three Types of Links
    • ♦Office of Responsibility
    • ♦Definitions
    • ♦Linked Route vs. Roadway Gap
    • ♦Determining the Link Points
    • ♦The Signed Highway/Secondary Route
    • ♦The Linking Signed Highway/Primary Route
    • ♦Ascending Marker Direction
    • ♦Descending Marker Direction
  • ►2. Concurrent Route Segments
    • ♦Concurrent Route Defined
    • ♦Input—Add to Gap or End of Route
    • ♦Input—Delete Within or at End of Route
    • ♦Input—Update Within or at End of Route
    • ♦Input—Add to Beginning of Route
    • ♦Input—Delete from Beginning of Route
    • ♦Input—Update to Beginning of Route
  • ►3. On-System Link Segments
    • ♦On-System Link Defined
    • ♦Input—On-System Link
  • ►4. Off-System Link Segments
    • ♦Off-System Link Defined
    • ♦Input—Off-System Link
• ►10. Pavement Data
  • ►1. Key Points to Know
    • ♦Pavement Data Defined
    • ♦Offices of Responsibility
  • ►2. Mainlane Centerline + Frontage Road Attributes
    • ♦Highway Design Data
    • ♦Input—Mainlane Centerline + Frontage Road Attributes
  • ►3. Centerline Attributes
    • ♦Direction of Travel
    • ♦ROW Width Data
    • ♦Input—Centerline Attributes
  • ►4. Left/Right Mainlane Attributes
    • ♦Median Width and Type Data
    • ♦Definitions
    • ♦Input—Left/Right Mainlane Attributes
  • ►5. Roadbed-Specific Attributes
    • ♦Other Pavement Data
    • ♦Definitions
    • ♦Input—Roadbed-Specific Attributes
• ►11. Features
  • ►1. Key Points to Know
    • ♦Feature Data Defined
    • ♦TRM Features/Responsible Office Table
    • ♦Definitions
    • ♦General Feature Constraints
  • ►2. Intersecting Roadways
    • ♦On-System and Off-System Intersections Defined
    • ♦Definitions
    • ♦Input—On-System Intersecting Roadways
    • ♦Off-System Intersecting Roadways
    • ♦Input—Off-System Intersections
  • ►3. TPP Feature Input Instructions
    • ♦About This Section
    • ♦Boundaries
    • ♦Railroad Crossings
    • ♦Structures
  • ►4. TPP/District Feature Input Instructions
    • ♦About This Section
    • ♦Ferries
    • ♦Roadside Features
    • ♦Tunnels
  • ►5. District Feature Input Instructions
    • ♦About This Section
    • ♦Cattle Guards
    • ♦Connectors
    • ♦Crossovers
    • ♦Culverts
    • ♦Gates
    • ♦Overhead Signs
    • ♦Pedestrian Passageways
    • ♦Pipelines
    • ♦Ramps
    • ♦Streams
    • ♦Telephone Lines
    • ♦Transmission Lines
    • ♦Turnarounds
    • ♦Water Lines
  • ►6. Features Not Classified
    • ♦Catch-All Category
    • ♦Other Intersecting Features not Classified
    • ♦Other Roadway Features Not Classified
• ►12. Administrative Data
  • ►1. Key Points to Know
    • ♦Administrative Data Defined
    • ♦Administrative Data Classes
    • ♦Offices of Responsibility
  • ►2. Continuous Length Centerline Attributes
    • ♦Responsibilities
    • ♦Definitions
    • ♦Input—Administrative Data
    • ♦Highway Performance Monitoring System Current Id
    • ♦Input—Highway Performance Monitoring System Id
  • ►3. Non-Continuous Length Attributes
    • ♦Secondary Routes Defined
    • ♦Secondary Route Designations
    • ♦Input—Secondary Routes
• ►13. Geometric Data
  • ►1. Key Points to Know
    • ♦Geometric Data Defined
    • ♦Office of Responsibility
    • ♦Geometric Data Attributes
    • ♦Definitions
  • ►2. Baseline Bearing Data
    • ♦Baseline Bearing Defined
    • ♦Definitions
    • ♦Input—Baseline Bearing
  • ►3. PI Curve Data
    • ♦PI Curve Defined
    • ♦Input—PI Curves
  • ►4. Normal Curve Data
    • ♦Normal Curve Defined
    • ♦Input—Normal Curves
  • ►5. Spiral Curve Data
    • ♦Spiral Curve Defined
    • ♦Input—Spiral Curves
• ▼14. Texas Highway Designation Files
  • ►1. What is the Highway Designation File?
    • ♦Description
  • ►2. Search Instructions
    • ♦Begin here
  • ►3. How Highways are Designated
    • ♦Begin here
  • ►4. Highway Designation File Glossary
    • ♦Begin here
  • ▼5. County/District List
    • ♦Begin here
• ►15. Error Messages
  • ►1. Understanding Error Messages
    • ♦What This Chapter Does
    • ♦Error Message Types
    • ♦About Message Variables
  • ♦2. Error Messages
• ►A. Traffic Data & Terms
  • ♦1. Query Processing
  • ♦2. Definitions

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Section 5: County/District List

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Begin here

To view the District/County list, click on Counties of Texas:

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Figure 14-12. Selecting Counties of Texas.

The first page of the list appears:

Figure 14-13. Abstract of the first district/county list page.

The counties are listed in alphabetical order with the corresponding district numbers in parentheses.