RAMP METERING HELPS SAVE 4.5 MILLION GALLONS OF GAS

The article is the third in a series on traffic control systems throughout the United States. It reports additionally on the Chicago area system -- the largest in the nation. The Chicago Area Expressway Surveillance Project has, to a considerable extent, provided a point of reference for the design and implementation of traffic control systems throughout the country. The economics of the entire system show that the cost for the 105 controlled miles, together with 1,600 detectors and over 60 metered ramps, has been less than $8 million. While the 14 million daily vehicle miles uses about one million gallons of gasoline, studies indicate that the reduction in gas consumption resulting from the system's steady traffic flow and lessened accident occurrence amounts to 4.5 million gallons of gasoline annually -- or more than $4.5 million at present prices.

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  • Accession Number: 00311165
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Jun 26 1980 12:00AM