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-date information...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
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...