NAVAJO REGION

2023 Tribal Transportation Improvement Program (TTIP)

States: AZ, NM, UT

The TTIP is from Fiscal Year 2023 due to administrative and procedural requirements.
Arizona

Tribal Transportation Program 

Transportation Improvement Program

Tribal Transporation Program 

Transportation Improvement Program

State of

2023

This report includes all construction projects on current approved Tribal TIPs in this State.

2
Navajo Nation

Construction Year 2022

Type of Work Route Length Location County Funds Amount

TTP;State of 

Arizona

N35-

Section 30

New Construction 6.4 Sweetwater, AZ Apache $22,155,732

Design plans, archaeology, biological evaluation, environmental assessment, and ROW are complete. Project 

was advertised for construction in May 2022 and will be under construction by September 2022. Total TTP 

funds committed is $14,955,732 + State of Arizona Appropriations of $6,000,000 for Total Construction Funds 

Comments:

N35(8)1,2&4

Total Amount for Construction Year 2022 $22,155,732

3
Navajo Nation

Construction Year 2023

Type of Work Route Length Location County Funds Amount

N12- TTP;

Section 410-

Reconstruction 7.2 Wheatfields, AZ Apache $26,446,095

Project design is 95% complete. Archaeology is complete. Biological evaluation and environmental assessment 

is in process by Navajo DOT. Existing ROW is in place. Total construction funds committed is $16,000,000 + 

FY2023 funds of $8,000,000 = $24,000,000.

Comments:

N12(13-2)1,2&4 Bridge N503

N15- TTP;

Section 330-

Reconstruction 7.1 Cornfields-Burnside, Az Apache $23,020,217

Project design is 95% complete. Archaeology, biological evaluation, and environmental assessment is 

complete. Existing ROW is in place and Temporary Construction Easements are in place. Historic Preservation 

Treatment Plan is approved and Phase I testing and Phase II data recovery activities need to be completed by 

Comments:

N15(2-3)2&4 Cornfields to Burnside

TTP;Tribal 

Funds

N4-Section 

20; N8031-

New Construction 15.8 Hardrock-Pinon, AZ Navajo $49,861,115

Project design is 95% complete. Archaeology, biological evaluation, and environmental assessment are 

complete on Hopi Land. Archaeology, biological evaluation, and environmental assessment is in progress by 

Navajo DOT on Navajo Land. Navajo DOT will apply for ROW from the Hopi Tribe and Navajo Nation. Total TTP 

Comments:

N4(5)/N8031(2)/N8031(3)/N8031(4)1,2&4

4
Navajo Nation

Construction Year 2023

Type of Work Route Length Location County Funds Amount

N6460- TTP;

Section 30-

New Construction 5.7 Dennehotso, AZ Apache $17,684,629

Project design is 95% complete. Archaeology, biological evaluation, and environmental assessment are 

complete. Phase I testing and Phase II data recovery are complete. Navajo DOT will apply for ROW. Total 

construction funds committed is $7,529,259 + FY2022 funds of $2,900,741 + FY2023 funds of $5,300,000 = 

Comments:

N6461(1-2)/N6460(1)1,2&4

N7, N12 & TTPSF;

N15

New Construction 151.0 Navajo Naton Apache & Navajo $592,740

Awarded FY2021 TTP-Safety funds of $592,740 for N7, N12, and N15 Horizontal Curve Signing. Navajo DOT 

will use funds to assess, design and install road safety improvements that will include chevrons, advance 

warning signs, enhanced centerline and edgeline, and advisory speed signs.

Comments:

N7, N12, and N15 Safety Project

N71- TTP;

Section 10-

New Construction 5.2 Birdsprings, AZ Navajo $10,000,000

Project design, archaeology, biological evaluation, environmental assessment, and ROW will be completed by 

Navajo DOT. Total construction funds committed is $8,500,000.

Comments:

N71(1-1)(2-1)/N2(1)2&4

5
Navajo Nation

Construction Year 2023

Type of Work Route Length Location County Funds Amount

N8066- TTP;

Section 50-

New Construction 7.5 Black Mesa, AZ Navajo $23,268,733

Project Design is 90% Complete. Archaeology and EA is in progress by Navajo DOT. Navajo DOT will apply for 

ROW. Total construction funds committed is $17,000,000 + FY2023 funds of $3,800,000 = $20,800,000.

Comments:

N8066(3)/N8065(1)1,2&4 N41 to Kitsilli

N8084- TTP;

Section 10-

New Construction 3.6 Many Farms, AZ Apache $14,601,559

Project design is 95% complete. Archaeology, biological evaluation, and environmental assessment is in 

progress by Navajo DOT. Navajo DOT will apply for ROW. Total construction funds committed is $12,187,000 + 

FY2023 funds of $800,000 = $12,987,000.

Comments:

N8084(1)1,2&4

Total Amount for Construction Year 2023 $165,475,088

6
Navajo Nation

Construction Year 2024

Type of Work Route Length Location County Funds Amount

New Construction 0.0 Greasewood Springs, AZ Navajo TTP; $2,150,000

Greasewood Gravel Pit - Funds programmed for Preliminary Engineering, Construction, and Construction 

Engineering to open a fully operational gravel pit. Gravel pit mining lease is under review by the BIA and Bureau 

of Land Management.

Comments:

Greasewood Gravel Pit

N4, N13, TTPSF;

N21 & N59

New Construction 149.0 Navajo Nation Apache & Navajo $981,402

Navajo DOT will construct safety improvements to four critical BIA routes, N4, N13, N21, and N59 to address 

vehicle lane departure around horizontal curves in the roadway. Navajo DOT will address the lane departure by 

assessing and improving warning/delineation signage and pavement markings along curves that have lane 

Comments:

Roadway Departure Countermeasures on high-risk routes

N609- TTP;

Section 10-

New Construction 1.3 Tuba City, AZ Coconino $5,140,679

Project design, archaeology, biological evaluation, environmental assessment, and ROW will be completed by 

Navajo DOT. Total construction funds committed is $2,600,000 + FY2023 funds of $1,800,000 = $4,400,000.

Comments:

N609(2)2&4

7
Navajo Nation

Construction Year 2024

Type of Work Route Length Location County Funds Amount

N6485- TTP;

Section 10-

New Construction 2.2 Kayenta, AZ Navajo $7,354,867

Project design, archaeology, biological evaluation, environmental assessment, and ROW will be completed by 

Navajo DOT. Total construction funds committed is $6,455,436.

Comments:

N6485(1)2&4

N9073- TTP;

Section 10-

New Construction 6.3 Fort Defiance, AZ Apache $27,382,136

Project design is 90% complete for roadway and 40% complete for rockfall mitigation. Archaeology, biological 

evaluation, and environmental assessment is in progress by Navajo DOT. Navajo DOT will apply for ROW. 

Total construction funds commitment is $18,033,000 + FY2023 funds of $6,900,000 = $24,933,000.

Comments:

N9073(1)1,2&4 Bridge N606

Total Amount for Construction Year 2024 $43,009,084

8
Navajo Nation

Construction Year 2025

Type of Work Route Length Location County Funds Amount

N12- TTP;

Section 473-

New Construction 21.0 Tsaile-Roundrock, AZ Apache $4,000,000

Project design, cultural resources, biological evaluation, and environmental assessment will be completed by 

Navajo DOT. Existing ROW is in place. Construction funds committed is $3,500,000.

Comments:

N12 Fencing

N15- TTP;

Section 290-

Reconstruction 7.1 Cornfields-Sunrise, AZ Apache $27,053,039

Project design is 95% complete. Cultural resources is complete. Biological evaluation and environmental 

assessment will be completed by Navajo DOT. Existing ROW is in place and temporary construction easements 

will be completed by Navajo DOT. Phase I testing and Phase II data recovery will be completed by Navajo DOT. 

Comments:

N15(3-1)(4-1)2&4

N15- TTP;

Section190-

Reconstruction 0.5 Dilkon, AZ Navajo $6,380,000

Project design and environmental documents will be completed by Navajo DOT. Existing ROW is in place. 

Construction funds committed is $5,500,000.

Comments:

N15/N60 Intersection Improvements

Total Amount for Construction Year 2025 $37,433,039

9
Navajo Nation

Construction Year 2026

Type of Work Route Length Location County Funds Amount

N21- TTP;

Section 10

New Construction 3.0 Coppermine, AZ Coconino $9,800,000

Project design, archaeology, biological evaluation, environmental assessment, and ROW will be completed by 

Navajo DOT. Construction funds committed is $8,500,000.

Comments:

N21

N221- TTP;

Section 40-

New Construction 3.0 Shonto, AZ Navajo $9,900,000

Project design, archaeology, biological evaluation, environmental assessment, and ROW will be completed by 

Navajo DOT. Construction funds committed is $8,500,000.

Comments:

N221

N59- TTP;

Section 216-

Reconstruction 5.0 Many Farms-Rough Rock, AZ Apache $8,400,000

N59 project will include crack seal, chip seal, striping and fence repair. Project design and environmental 

document will be prepared by Navajo DOT. Existing ROW is in place. Construction funds committed is 

$7,300,000.

Comments:

N59 Pavement Rehabilitation

10
Navajo Nation

Construction Year 2026

Type of Work Route Length Location County Funds Amount

N8095- TTP;

Section 10-

New Construction 0.3 Chinle, AZ Apache $7,000,000

N8095 project will construct new bridge over Green River and roadway approaches. Project design, 

archaeology, biological evaluation, environmental assessment, and ROW will be completed by Navajo DOT. 

Construction funds committed is $6,000,000.

Comments:

N8095

Total Amount for Construction Year 2026 $35,100,000

11
Navajo Nation

Construction Year 2027

Type of Work Route Length Location County Funds Amount

N12- TTP;

Section 473-

Reconstruction 1.2 Lukachukai, AZ Apache $4,750,000

Project design and environmental documents will be completed by Navajo DOT. Existing ROW for N12 and N13 

is in place. Construction funds committed is $4,000,000.

Comments:

N12/N13 Intersection

N13- TTP;

Section 60-

Reconstruction 2.0 Lukachukai, AZ Apache $4,720,000

N13 pavement rehabilitation is located near Buffalo Pass. Project design and environmental documents will be 

completed by Navajo DOT. Existing ROW is in place. Construction funds committed is $4,000,000.

Comments:

N13 Pavement Rehabilitation

N6910- TTP;

Section 60

New Construction 4.0 Leupp, AZ Coconino $13,244,564

Project design, archaeology, biological evaluation, environmental assessment, and ROW will be completed by 

Navajo DOT. Construction funds committed is $11,444,564.

Comments:

N6910

Total Amount for Construction Year 2027 $22,714,564

12
Navajo Nation

Construction Year 2028

Type of Work Route Length Location County Funds Amount

N112- TTP;

Section 70-

New Construction 3.0 Ft. Defiance, AZ Apache $4,955,436

Project design, archaeology, biological evaluation, environmental assessment, and ROW will be completed by 

Navajo DOT. Construction funds committed is $9,000,000 by FY2028.

Comments:

N112

Total Amount for Construction Year 2028 $4,955,436

13
New Mexico

Tribal Transportation Program 

Transportation Improvement Program

Tribal Transporation Program 

Transportation Improvement Program

State of

2023

This report includes all construction projects on current approved Tribal TIPs in this State.

14
Navajo Nation

Construction Year 2022

Type of Work Route Length Location County Funds Amount

TTP;State of 

New Mexico

N7054-

Section 

New Construction 2.8 Pinedale, NM McKinley $8,364,627

Project design, archaeology, environmental, and ROW is complete. Project was advertised for construction in 

June 2022 and construction will begin in October 2022. Total TTP funds committed is $5,789,627 and Total 

State of New Mexico funds committed is $1,925,000 for Total construction funds committed for the project is 

Comments:

N7054(1)2&4

Total Amount for Construction Year 2022 $8,364,627

15
Navajo Nation

Construction Year 2023

Type of Work Route Length Location County Funds Amount

N36- TTP;TTPSF;

Section 

Reconstruction 1.1 San Juan, NM San Juan $832,000

Project design, archaeology, biological evaluation, and environmental checklist are complete. Existing ROW is 

in place. N36 received $72,000 in TTP Safety Funds in 2017. Total construction committed is $772,000.

Comments:

N36 Safety

N5001- TTP;

Sections 10-

New Construction 6.1 Toadlena, NM San Juan $15,452,331

Project design is 95% complete. Archaeology is complete. Biological evaluation and environmental assessment 

is in progress by Navajo DOT. Navajo DOT will apply for ROW. Bridge N241 is Structurally Deficient with 2016 

Suffiency Rating of 21.5. Bridge N214 is Closed and Structurally Deficient with 2016 Sufficiency Rating of 16.6. 

Comments:

N5001(1)1,2&4 with Bridges N213, N214 & N241

N55- TTP;

Section 10

Reconstruction 6.8 Alamo, NM Cibola $8,111,596

Project design is 60% complete. Navajo DOT will complete an environmental categorical exclusion document 

for the project. Existing ROW is in place. Total construction funds committed is $7,462,175.

Comments:

N55(1-1)2&4

Total Amount for Construction Year 2023 $24,395,927

16
Navajo Nation

Construction Year 2024

Type of Work Route Length Location County Funds Amount

N108- TTP;

Section 30-

PS&E Only 0.2 Tohatchi, NM McKinley $169,713

Project design is 100% complete. Archaeology, biological evaluation and environmental assessment is in 

process by Navajo DOT. Navajo DOT will apply for ROW. The 2016 Bridge Sufficiency Rating is 16.3 and is a 

Fracture Critical Bridge. Navajo DOT will apply for FHWA Bridge Funds for construction. Construction cost is 

Comments:

N108(1-1)(3)1,2&4 Bridge N651

N13- TTP;

Section 100-

Reconstruction 10.0 Red Valley, NM San Juan $16,255,172

Project design and environmental documents will be completed by Navajo DOT. Existing ROW is in place. Total 

construction funds committed is $5,250,000 + FY2024 funds of $9,500,000 = $14,750,000.

Comments:

N13(3-3)4

N46- TTP;

Section 45-

New Construction 11.5 Counselor, NM San Juan $18,391,101

Project design is 60% complete. Archaeology, biological evaluation and environmental assessment is in 

progresss by Navajo DOT. ROW is needed from various land status and Navajo DOT is awaiting further 

direction from Bureau of Land Management on ROW and environmental requirements. Total construction funds 

Comments:

N46(4)/N474(4)1,2&4

Total Amount for Construction Year 2024 $34,815,986

17
Navajo Nation

Construction Year 2025

Type of Work Route Length Location County Funds Amount

TTP;Tribal 

Funds

New Construction N/A 0.0 Whitehorse Lake, NM McKinley $5,173,884

Project design and environmental assessment is being completed by Navajo DOT using Tribal Funds of 

$313,884. Land has been secured by the Navajo DOT. Total construction funds committed is $4,500,000.

Comments:

Navajo DOT Maintenance Yard

N36- TTP;

Section 10-

Reconstruction 7.9 Shiprock, NM San Juan $22,085,567

Project design, archaeology, biological evaluation, and environmental assessment will be completed by Navajo 

DOT. Existing ROW is in place. Total construction funds committed is $20,000,000.

Comments:

N36(5A-1)4 US 491 to Chaco Wash

N474- TTP;

Section 50-

Reconstruction 6.0 Ojo Encino, NM Sandoval $12,300,000

Project design, archaeology, biological evaluation, environmental assessment, and ROW will be completed by 

Navajo DOT. Total construction funds committed is $11,000,000.

Comments:

N474 Pavement Rehabilitation

Total Amount for Construction Year 2025 $39,559,451

18
Navajo Nation

Construction Year 2026

Type of Work Route Length Location County Funds Amount

N11- TTP;

Section 90-

New Construction 3.3 Crownpoint, NM McKinley $13,275,000

N11 project will begin at N9 and proceeds south 3.3 miles. Project design, archaeology, biological evaluation, 

and environmental assessment will be completed by Navajo DOT. Existing ROW is in place. Construction funds 

committed is $11,500,000.

Comments:

N11

N12- TTP;

Section 220-

Reconstruction 1.0 Navajo, NM McKinley $5,900,000

N12 project will rehabilitate 4-lane highway, drainage, and sidewalk repairs. Project design and environmental 

documents will be completed by Navajo DOT. Existing ROW is in place. Construction funds committed is 

$5,000,000.

Comments:

N12 Pavement Rehabilitation

Total Amount for Construction Year 2026 $19,175,000

19
Navajo Nation

Construction Year 2028

Type of Work Route Length Location County Funds Amount

7760- TTP;

Section 810

New Construction 6.0 Whiterock, NM San Juan $14,605,000

Route 7760 is maintained by San Juan County and this project will construct a paved road from NM 371 to 

Whiterock Chapter. Project design, archaeology, biological evaluation, environmental assessment, and ROW 

will be completed by Navajo DOT. Construction funds committed is $18,000,000 by FY2028.

Comments:

Route 7760

Total Amount for Construction Year 2028 $14,605,000

20
Utah

Tribal Transportation Program 

Transportation Improvement Program

Tribal Transporation Program 

Transportation Improvement Program

State of

2023

This report includes all construction projects on current approved Tribal TIPs in this State.

21
Navajo Nation

Construction Year 2027

Type of Work Route Length Location County Funds Amount

N35- TTP;

Section 40-

Reconstruction 5.0 Red Mesa, UT San Juan $9,800,000

N35 project will rehabilitate and reconstruct roadway. Project design, archaeology, biological evaluation, 

environmental assessment, and ROW will be completed by Navajo DOT. Construction funds committed is 

$8,500,000.

Comments:

N35 Pavement Rehabilitation

Total Amount for Construction Year 2027 $9,800,000

22
Ramah Navajo (recognized under Navajo)

Non-Construction Activities

Type of Work Route Length Location County Funds Amount

TTP;HIP 

Funds

All IRR 

Routes

Maintenance 0.0 Ramah Navajo Cibola $2,500,000

Perform eligible mainteance activities identified in the NTTFI, per CFR Part 170, Subsection 170.805 and 

Appendix to Subpart G. Heavy equipment including water truck at $92,625.88, single drum rollercompactor at 

$138,300.00, bob cat at $55,309.58, and other equipment will be purchased in the amount of $286,517.64 

Comments:

Mainteance

See TTPSF;

Comments

Planning 2.5 Chapter Wide Cibola $250,000

TTSPF funds for ten (10) identified Road Safety Audits (RSA) along Route 125 and NM 53. These RSA studies 

will be conducted chapter wide at ten locations that have sight distance, turning movement and speed 

midigation issues. The RSA studies are part RNDOT's LRTP and Strategic Safety Plans. RSA's for the Route 

Comments:

Road Safety Audit Studies (10)

Total Amount for Non-Construction Activities $2,750,000

23