DOTD A-Z
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H 
Hammond District    - Contact: (985) 375-0100 or 1-800-545-9280 A six parish region around Hammond consisting of Livingston, St. Helena, St. John, St...62
Heater Scarification    - The initial phase of a hot in-place recycling (HIR) process in which the surface of the old pavement is heated and mechanically ...
Highway Lighting Design and Lighting Projects    - Contact: Bridge Design Section - Electrical Gang - (225) 379-1302
Highway Miles    - DOTD is responsible for more than 16,683 miles of roadway and 894 miles of interstate.
Highway Safety Commission    - Mission Statement 225-925-6991 "The Louisiana Highway Safety Commission is committed to developing and implementing a compreh... ... website
Highway Safety Hardware Design    - Information on design and details for highway guard rail and bridge rail, ground mounted and overhead signing structures and oth...24
Highway Safety Section    - Contact: (225) 379-1871 Crash Data and Analysis Fatal Analysis Reporting System (FARS) Bicycle / Pedestrian Progr... ... website82
History of DOTD    - What is the history of DOTD? The Louisiana Legislature established the Board of State Engineers in 1898 to create a uniform pu...
Hot Air Lance    - A device that uses heated compressed air to clean, dry, and warm cracks prior to sealing.
Hot Applied Sealant    - A crack or joint sealing compound that is applied in a molten state and cures primarily by cooling to ambient (surrounding) temp...
Hot In-place Recycling    - A process which consists of softening the existing asphalt surface with heat, mechanically removing the surface material, mixing...HIR
Hot Mix Asphalt Concrete    - A thoroughly controlled mixture of asphalt binder and well-graded, high quality aggregate thoroughly compacted into a uniform de...HMAC
Hudson Initiative Program    - Full implementation of the procedures governing the Louisiana Initiative for Small Entrepreneurships, known as the Hudson Initia...
Human Resources ... websiteHR, 16
Hurricane Flood Protection    - Contact: (225) 379-3000 ... website64
Hydraulics    - Contact: (225) 379-130624
Hydroplaning    - Loss of contact between vehicle tires and roadway surface that occurs when vehicles travel at high speeds on pavement surfaces w...