DOTD A-Z
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R 
Rail Safety    - Contact: (225) 379-154368
Raveling    - Wearing away of the pavement surface caused by the dislodging of aggregate particles and loss of asphalt binder.
Ready, Willing and Able    - website
Real Estate    - The home page of the Louisiana Department of Transportation and Development Real Estate Section. This site is your gateway to th... ... website23
Recycling Agents    - Organic materials with specific chemical and physical characteristics that are used in pavement recycling to address binder defi...
Reflection Cracking    - Cracking that appears on the surface of a pavement above joints and cracks in the underlying pavement layer due to horizontal an...
Rejuvenating Agent    - Similar to recycling agents in material composition, these products are added to existing aged or oxidized HMA pavements in orde...
Reservoir    - The part of a portland cement concrete pavement joint that normally holds a sealant material, usually formed by a widening saw c...
Rest Areas    - Contact: (225) 379-1969 Roy.Dupuy@la.gov Louisiana State Maps are available at welcome centers. For up-to-...68
Retrofit Dowel Bars    - Dowels that are installed into slots cut into the surface of an existing concrete pavement to restore load transfer.
Rideability    - A measure of the ride quality of a pavement as perceived by its users or roughness measuring equipment.
Right-of-Way    - Right-of-way permit If you are calling for a for a right-of-way permit please click this link District Right-of-Way Contacts. I... ... websiteROW, 23
Road Closures / Problems / Road Conditions    - Contact: 511 or www511la.org Contact: Louisiana State Police: 1-800-469-4828 Drivers who notice road hazards, such as potholes... ... website
Road Design    - Contact: (225) 379-1303 Mission: To plan and design a safe, efficient, and cost effective transportation system by providing ... ... website24
Road Safety Hotline    - Drivers who notice road hazards, such as potholes or debris in the roadway are urged to call DOTD's statewide toll free Highway ...
Road Transfer Program ... website
Roadside Memorials    - What is Louisiana's policy on roadside memorials? Roadside memorials are encroachments on DOTD right of way and are il...
Roster of Officials ... website
Router    - A mechanical device, with a rotary cutting system, that is used to widen, cut, and clean cracks in pavements prior to sealing.
Routine Maintenance    - Defined as repair work typically performed by DOTD that is planned and carried out on a scheduled basis to maintain the pavement...
Rubberized Asphalt Concrete (RAC)    - Similar to HMA but having a minimum 20% crumb rubber additive. RAC offers greater resistance to reflective cracking than convent...
Rubberized Asphalt Sealant    - A sealant, generally hot applied, that is composed of asphalt cement, various types of rubber or polymer modifiers, and other co...
Rutting    - Longitudinal surface depressions in the wheel path of an HMA pavement, caused by plastic movement of the HMA mix, inadequate com...