Landscape Architecture Program
Landscape architecture is a diverse profession that encompasses the analysis, planning, design, management, and stewardship of the natural and built environment.
At Hawaii DOT, landscape architects strive to provide design solutions that enhance the quality of life, emphasize safety, preserve & protect environmental resources, sustainable & durable, aesthetic & scenic qualities, economic development, roadside vegetation management and integration of community values & regional context to ensure transportation facilities fit within the land and our communities.
1. HDOT Statewide Noxious Invasive Pest Program
The HDOT Statewide Noxious Invasive Pest Program establishes a ten year strategic plan to mitigate the introduction, spread and impact of invasive species within the state highways right-of-way.
a. 10 Year SNIPP Strategic Plan (pdf 815 KB)
b. SNIPP Year 1 Annual Report (pdf 264 KB)
2. Ecological Zones and Native Planting List (pdf 11.3 MB)
The purpose of the Ecological Zones and Native Planting List is to guide HDOT landscape architects, engineers, and contractors in selecting appropriate native Hawaiian plant species for Highway right-of-way projects.
3. HDOT Highway Manual for Sustainable Landscape Maintenance
The State Highway Manual for Sustainable Landscape Maintenance establishes statewide standards and provides step-by-step directions for roadside maintenance staff and contractors.
ii. Table of Contents (pdf 600 KB)
iii. Chapter 1 – Introduction (pdf 1.2 MB)
iv. Chapter 2 – Planning & Strategies (pdf 1.4 MB)
v. Chapter 3 – Landscape Maintenance Zone (pdf 2.8 MB)
vi. Chapter 4 – Safety (pdf 2.3 MB)
vii. Chapter 5 – Mowing & Edging (pdf 2.8 MB)
viii. Chapter 6 – Pruning (PDF 10.4 MB)
ix. Chapter 7 – Rubbish and Debris (pdf 900 KB)
x. Chapter 8 – Replacing Plants (pdf 2.7 MB)
xi. Chapter 9 – Invasive Species Management (pdf 1.1 MB)
xii. Chapter 10 – Use of Pesticides (pdf 3.5 MB)
xiii. Chapter 11 – Fertilizers (pdf 4.4 MB)
xiv. Chapter 12 – Irrigation System (Part 1) (pdf 21 MB)
Chapter 12 – Irrigation System (Part 2)
Chapter 12 – Irrigation System (Part 3)
xv. Chapter 13 – Contractor Qualifications (pdf 570 KB)
xvi. Chapter 14 – Reporting (pdf 700 KB)
xvii. Chapter 15 – Inspecting Vegetation Maintenance Work (pdf 600 KB)
xviii. Appendixes (pdf 1.8 MB)
Contractors may purchase the State Highway Manual for Sustainable Landscape Maintenance from Ms. Emily Hsu of our Staff Services Office at (808) 587-4069. The cost is $41.00 per book if you request that it be mailed to you within Hawaii, $47.00 per book if mailed to the mainland, or $35.00 per book if picked up at 869 Punchbowl Street, Honolulu, Hawaii.
Mail requests to Ms. Emily Hsu, Hawaii Department of Transportation,
869 Punchbowl Street, Honolulu, Hawaii 96813-5097.
State of Hawaii Department of Transportation
Highways Division, Design Branch, Landscape Section
Tel: (808) 692-8363
Fax: (808) 692-7590