Ramp metering : procedure manual.

Details

• Corporate Creators:
  California. Dept. of Transportation. District 7
• Subject/TRT Terms:
  California Ramp-freeway Junctions Traffic Signs And Signals
• Resource Type:
  Tech Report
• Geographical Coverage:
  California
• Corporate Publisher:
  California. Department of Transportation
• Abstract:
  Ramp metering is a traffic management tool used to increase the efficiency and safety of the
  
  traffic operations on freeways. It is one of the most cost effective ways of managing traffic flow.
  
  It improves traffic flow on congested freeways and often significantly delays the necessity of
  
  undertaking major freeway improvement projects.
  
  Freeway ramp meters are traffic signals installed on the freeway on-ramps to regulate the traffic
  
  entering the freeway system. Ramp meters allow the traffic to enter the freeway at a rate
  
  dependent on the conditions of freeway mainline traffic. They generally operate during the traffic
  
  peak periods. The main objective of ramp meters is to maintain the freeway traffic volumes
  
  below the freeway capacity, and to provide an acceptable level of service. In highly populated
  
  metropolitan areas, this objective is difficult to maintain for long periods of time due to high
  
  freeway and on-ramps traffic demand. Stop and go traffic conditions are normally delayed and/or
  
  shortened and congestion related traffic accidents are highly reduced.
  
  Freeway ramp meters are often used in conjunction with preferential High Occupancy Vehicles
  
  (HOV) non-metered lanes in District 7, to provide time saving incentives for use of carpool,
  
  vanpools and public transit.
  
  
• Format:
  PDF
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:ca268bfd1ff39f478df710b92c9e1771cbaa2ea31fed9aa119118add249aa806
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/27601/dot_27601_DS1.pdf
• File Type:
  [PDF - 3.00 MB ]