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2. Highway engineering - Wikipedia

   en.wikipedia.org/wiki/Highway_engineering

   Highway engineering (also known as roadway engineering and street engineering) is a professional engineering discipline branching from the civil engineering subdiscipline of transportation engineering that involves the planning, design, construction, operation, and maintenance of roads, highways, streets, bridges, and tunnels to ensure safe and effective transportation of people and goods.

3. AASHTO Soil Classification System - Wikipedia

   en.wikipedia.org/wiki/AASHTO_Soil_Classification...

   The AASHTO Soil Classification System was developed by the American Association of State Highway and Transportation Officials, and is used as a guide for the classification of soils and soil-aggregate mixtures for highway construction purposes. The classification system was first developed by Hogentogler and Terzaghi in 1929, [1] but has been ...

4. American Association of State Highway and Transportation ...

   en.wikipedia.org/wiki/American_Association_of...

   The American Association of State Highway and Transportation Officials ( AASHTO) is a standards setting body which publishes specifications, test protocols, and guidelines that are used in highway design and construction throughout the United States. Despite its name, the association represents not only highways but air, rail, water, and public ...

5. Grading (earthworks) - Wikipedia

   en.wikipedia.org/wiki/Grading_(earthworks)

   Grading (earthworks) Section through railway track and foundation showing the sub-grade. Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden ...

6. Pavement condition index - Wikipedia

   en.wikipedia.org/wiki/Pavement_Condition_Index

   The pavement condition index ( PCI) is a numerical index between 0 and 100, which is used to indicate the general condition of a pavement section. The PCI is widely used in transportation civil engineering [1] and asset management, and many municipalities use it to measure the performance of their road infrastructure and their levels of service ...

7. Do SC highway construction speed limits apply if there ... - AOL

   www.aol.com/news/sc-highway-construction-speed...

   South Carolina law states that the rules apply all the time. That’s because there are still hazards such as lane changes, narrowed lanes and rough pavement. If you don’t comply and a highway ...

8. Geometric design of roads - Wikipedia

   en.wikipedia.org/wiki/Geometric_design_of_roads

   A geometric design saved on construction costs and improved visibility with the intention to reduce the likelihood of traffic incidents. The geometric design of roads is the branch of highway engineering concerned with the positioning of the physical elements of the roadway according to standards and constraints. The basic objectives in ...

9. When will Highway 50 construction finally be completed? Here ...

   www.aol.com/highway-50-construction-finally...

   Here’s the latest timeline. Chris Biderman. August 1, 2024 at 4:19 PM. Lezlie Sterling/lsterling@sacbee.com. The complex widening of U.S. Highway 50 from downtown Sacramento east to Watt Avenue ...