TPP Planning Conference – June 4-5, 2014

ROADWAY INVENTORY The biggest and badest

TPP Planning Conference – June 4-5, 2014

Thanks in Advance for your Attention

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THE CONFERENCE

TPP Planning Conference – June 4-5, 2014

Presentation Overview – Roadway Inventory

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• Purpose

• Extent

• Structure

• Content

• Maintenance

• Use

• Availability

• Challenges and Moving Forward

TPP Planning Conference – June 4-5, 2014

Purpose – Not just because FHWA says we have to

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Database of all public roadway mileage

• Planning tool for:

• seeding the annual HPMS submittal

• quantifying roadway assets

• allocating resources

• monitoring trends

TPP Planning Conference – June 4-5, 2014

Extent - Just How Big?

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TPP Planning Conference – June 4-5, 2014

Extent - Just How Big?

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TPP Planning Conference – June 4-5, 2014

Extent - Just How Big?

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State Public Road

Mileage

1. Texas 313,210

2. California 175,499

…

36. Utah 45,891

37. New Jersey 39,272

38. West Virginia 38,684

39. Nevada 38,567

40. Massachusetts 36,330

41. Maryland 32,372

42. Wyoming 28,416

43. Maine 22,871

44. Connecticut 21,431

45. Alaska 16,301

46. New Hampshire 16,105

47. Vermont 14,291

48. Rhode Island 6,480

49. Delaware 6,377

50. Hawaii 4,416 Source: HM10, 2012 data

TPP Planning Conference – June 4-5, 2014

Roadway Inventory

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TPP Planning Conference – June 4-5, 2014

Roadway Inventory Structure

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On-System

Mainlanes

Frontage Roads

Supplemental MLs

Supplemental FRs

Grade Sep. Connectors

Off-System

County Roads

FC City Streets

Local City Streets

Other

On-System

Connectors

Ramps

Turnarounds

Other

Tabular & GIS GIS only

TPP Planning Conference – June 4-5, 2014

Route Classifications

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RtClass Miles

On-System 104,000

TPP Planning Conference – June 4-5, 2014

Structure - Route Classifications

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RtClass Miles

On-System 104,000

County Roads 147,000

TPP Planning Conference – June 4-5, 2014

Structure - Route Classifications

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RtClass Miles

On-System 104,000

County Roads 147,000

FC City Streets 14,000

TPP Planning Conference – June 4-5, 2014

Structure - Route Classifications

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RtClass Miles

On-System 104,000

County Roads 147,000

FC City Streets 14,000

Local City Sts 70,000

TPP Planning Conference – June 4-5, 2014

Structure - Route Classifications

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RtClass Miles

On-System 104,000

County Roads 147,000

FC City Streets 14,000

Local City Sts 70,000

Other 3,000

TOTAL 338,000

TPP Planning Conference – June 4-5, 2014

Content - Linear Attribute Groups

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1. Referencing Information

2. Geopolitical Boundary

3. Physical Features

i. Cross-Section

ii. Road Surface

iii. Vehicle Control/Traffic Ops

4. Administrative Designations

5. Use (i.e., Traffic)

• On- and Off-System

• Route ID

• Roadbed

• Begin Distance From Origin

• End Distance From Origin

• Control Section

• Begin Milepoint

• End Milepoint

On-System Only

• Highway Name

• From Reference Marker + Displacement

• To Reference Marker + Displacement

Source: Primarily TPP (Data Management)

TPP Planning Conference – June 4-5, 2014

Content - Linear Attribute Groups

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1. Referencing Information

2. Geopolitical Boundary

3. Physical Features

i. Cross-Section

ii. Road Surface

iii. Vehicle Control/Traffic Ops

4. Administrative Designations

5. Use (i.e., Traffic)

• District/Maintenance District (25)

• County (254)

• City (1,214)

• MPO (25)

• Urban Area (186)

Source: TPP (Data Management)

TPP Planning Conference – June 4-5, 2014

Content - Linear Attribute Groups

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1. Referencing Information

2. Geopolitical Boundary

3. Physical Features

i. Cross-Section

ii. Road Surface

iii. Vehicle Control/Traffic Ops

4. Administrative Designations

5. Use (i.e., Traffic)

• ROW Width (Minimum, Usual)

• Roadbed Width

• Curbs

• Shoulders (Width, Type, Use)

• Surface Width

• Number of Lanes, Lane Width

• Median (Width, Type)

• Base Type, Surface Type

• Surface Treatment (Type, Thickness, Year)

• Access Control

• One-way vs. Two-way

• HOV, Toll

• Speed Limit

• Load Limit (Axle, Gross, Tandem)

Source: TPP (Data Management) and Districts

TPP Planning Conference – June 4-5, 2014

Content - Linear Attribute Groups

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1. Referencing Information

2. Geopolitical Boundary

3. Physical Features

i. Cross-Section

ii. Road Surface

iii. Vehicle Control/Traffic Ops

4. Administrative Designations

5. Use (i.e., Traffic)

• Ownership

• Functional Classification

• National Highway System

• Strategic Highway Network

• Texas Trunk System

• Evacuation Route

• HazMat Route

Source: TPP (Data Management)

TPP Planning Conference – June 4-5, 2014

Content - Linear Attribute Groups

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1. Referencing Information

2. Geopolitical Boundary

3. Physical Features

i. Cross-Section

ii. Road Surface

iii. Vehicle Control/Traffic Ops

4. Administrative Designations

5. Use (i.e., Traffic)

• AADT (current and historical last 10 years

• % Single- and Combination-Unit Trucks

• Daily and Peak Hour

Source: TPP (Traffic Section)

TPP Planning Conference – June 4-5, 2014

Maintenance - What prompts a change?

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1. Highway Designation Minute Order

2. Other Administrative Actions

(e.g., Speed Limit Change, City Annexation)

3. Road Construction Projects

TPP Planning Conference – June 4-5, 2014

Maintenance - What prompts a change?

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1. Highway Designation Minute Order

2. Other Administrative Actions

(e.g., Speed Limit Change, City Annexation)

3. Road Construction Projects

TPP Planning Conference – June 4-5, 2014

Maintenance - What prompts a change?

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1. Highway Designation Minute Order

2. Other Administrative Actions

(e.g., Speed Limit Change, City Annexation)

3. Road Construction Projects

TPP Planning Conference – June 4-5, 2014

Maintenance - Data Sources

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• Minute Orders

• Construction Plans

• Field Data Collection

• Regular ‘Calls for Data’

• Blind Luck

• You!

TPP Planning Conference – June 4-5, 2014

Maintenance - Data Sources

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• Minute Orders

• Construction Plans

• Field Data Collection

• Regular ‘Calls for Data’

• Blind Luck

• You!

TPP Planning Conference – June 4-5, 2014

Maintenance - On-System Project Tracking

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• Recapitulation

• Mileage Report Tracking (MRT)

TPP Planning Conference – June 4-5, 2014

Total Mileage by Route Class Statewide 2012 AADT

Tarrant County Functional Class

Cross-tabulations

Miles, Lane Miles, Vehicle Miles of Travel

Commonly Requested Statistics

Uses of Roadway Inventory

020,00040,00060,00080,000

100,000120,000140,000160,000

On-System County

Roads

FC City

Streets

Local City

Streets

0

10

20

30

40

50

60

70

0 1 3 4 7 13 16 17 23 31 38 44 56 61 74

AA

DT

(T

ho

usa

nd

s)

Distance From Origin)

IH-37 Corpus Christi District

Interstate 2%

Prin. Art. (OFE) 1%

Prin. Art. (Other) 5%

Minor Arterial 6%

Collector 12%

Local 74%

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District Ownership

County By Functional Class

City Highway System

TPP Planning Conference – June 4-5, 2014

AADT Number of Lanes

NHS

We love maps, because they…

provide context to the data

effectively convey information

add visual appeal to documents and

presentations

allow for an easy way to verify our data

Visualizing Data…

Uses of Roadway Inventory

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TPP Planning Conference – June 4-5, 2014

Availability

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TPP Planning Conference – June 4-5, 2014

Availability

One .zip file, containing three files:

1. TxDOT_Roadway_Inventory_ReadMe.pdf

2. TxDOT_Roadway_Inventory_Specifications.pdf

3. TxDOT_Roadway_Inventory.mbd (Personal Geodatabase)

3a. TxDOT_Roadway_Inventory (Table)

3b. TxDOT_Roadway_Linework (Feature Class)

3c. TxDOT_Roadway_Linework_Routed (Feature Class)

ReadMe

Specs.

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TPP Planning Conference – June 4-5, 2014

Challenges

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• Capturing cross-section changes

• Construction performed without related Minute Order

• New/Altered off-system streets

• Telling the historical story

TPP Planning Conference – June 4-5, 2014

Moving Forward

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Onward and Upward

– Geospatial Roadway Inventory Database (GRID)

– STARS II

– Functional Re-Classification/Urban Boundary Smoothing