Characteristics of Ramp Metering
Date published: Feb 08, 2010
Survey consists of responses from nine transportation agencies that have implemented ramp metering or are planning to do so in the near future. Topics/questions include:
-
What is the number of metered ramps that you have implemented?
-
What is the number of freeways on which ramps are located?
-
Have you applied freeway-to-freeway ramp metering? If yes, how many do you have?
-
At how many locations do you have ramp metering by-pass lanes?
-
Which vehicles can use your by-pass lanes?
-
Which ramp metering strategies have you applied (e.g. fixed time operation, system or area-wide control, platooned) and what is the percentage of ramps with ramp metering on each strategy applied?
-
Total cost associated with most recent ramp meter installation and what is included in this cost?
-
What provisions have been made for coping with excessive queues at metered ramps?
-
How do you determine the required storage space at a particular ramp?
-
What is the maximum and minimum discharge rates applied (vehicle/hour)?
-
What is the typical maximum wait time for a vehicle in your system during a typical period?
-
Do you apply a queue override feature to prevent excessive queue lengths
-
What type of signal display do you use at your ramp meters?
-
How frequently does enforcement take place at a typical ramp metering your system?
-
What do you believe should be the level of enforcement?
This product is published as a PDF document that can be downloaded from this website.
Price :