| R | |
| Rail Safety - Contact: (225) 379-1543 | 68 |
| Raveling - Wearing away of the pavement surface caused by the dislodging of aggregate particles and loss of asphalt binder. | |
| Ready, Willing and Able - LADOTD - Subcontractor SystemReady, Willing, and Able Firms (Companies which have had a construction contract or subcontractor ... ... website | |
| Real Estate - The home page of the Louisiana Department of Transportation and Development Real Estate Section. This site is your gateway to th... ... website | 23 |
| 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 i... | 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. | |
| Rideshare Companies Permit - Regulation of transportation network companies (TNCs) throughout the state has begun. Act 286 from the legislature's 2019 reg... | Uber, 72 |
| 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... ... website | ROW, 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) 379-1343 Mission: To plan and design a safe, efficient, and cost effective transportation system by provi... ... website | 24 |
| 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... | |