Safety and Traffic Operations at Cloverleaf Interchanges [Project Capsules]

Details

• Creators:
  Hassan, Hany ; Rupnow, Tyson ; Codjoe, Julius
• Corporate Creators:
  Louisiana Transportation Research Center
• Corporate Contributors:
  Louisiana. Department of Transportation and Development ; United States. Department of Transportation. Federal Highway Administration
• Subject/TRT Terms:
  • Cloverleaf interchanges
  • Evaluation and assessment
  • Highway operations
  • Highway safety
  • Diamond interchanges
• Publication/ Report Number:
  Project No. 23-1SS
• Resource Type:
  Brief
• Geographical Coverage:
  United States;Louisiana
• Edition:
  Research Project Capsule
• Corporate Publisher:
  Louisiana. Department of Transportation and Development
• Abstract:
  The efficient operation of highway interchanges is critical for the creation of an effective highway system designed to transport large numbers of cars quickly and safely over long distances. In this regard, the diamond interchange is the most common type of roadway interchanges where a major highway intersects a minor facility. It is suited for both rural and urban regions. One advantage of the diamond interchange is that it doesn’t take up much space, and therefore is relatively economical to construct. On the other hand, it increases the possibility of congestion. At the intersection of two fully controlled access facilities or when left turns at-grade are forbidden, a cloverleaf interchange is the simplest design that can be used. A cloverleaf interchange is suitable in a rural setting where right-of-way is not an issue and weaving is minor. However, cloverleaf interchanges can be also suitable in urban regions based on site conditions.
• Format:
  PDF
• Funding:
  TT-Fed/TT-Reg-5
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/72590/dot_72590_DS1.pdf
• File Type:
  [PDF - 587.08 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:243e3ab6fbf9f4388f6aca41ad8ed514f001bce0de71ac03bd0b03167cad3271791b9e0b76a989a020a73126b2f060a178087bb59e739850b4189461194a679f