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Traffic Speed Report No. 103

James Mekemson, George Stafford

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Abstract

This report is another in the continuing study of speeds of vehicles on Indiana highways. Observations of spot speeds were taken on interstate, four-lane and two-lane highways throughout the state during the October-December 1977 quarter. Analysis of the speeds showed the overall average speed for all vehicles was 58.7 mph. The overall average speed for passenger cars and all trucks was 59.3 mph and 58.1 mph respectively. These overall speeds are an increase over the results of the July-September 1977 quarter (Speed Report No. 102) of 1.2 mph for all vehicles, 1.5 mph for all passenger cars and 0.8 mph for heavy trucks.

About this research paper

What this paper is about

This report is another in the continuing study of speeds of vehicles on Indiana highways. Observations of spot speeds were taken on interstate, four-lane and two-lane highways throughout the state during the October-December 1977 quarter. Analysis of the speeds showed the overall average speed for all vehicles was 58.7 mph. The overall average speed for passenger cars and all trucks was 59.3 mph and 58.1 mph respectively. These overall speeds are an increase over the results of the July-September 1977 quarter (Speed Report No. 102) of 1.2 mph for all vehicles, 1.5 mph for all passenger cars and 0.8 mph for heavy trucks.

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Available abstract

This report is another in the continuing study of speeds of vehicles on Indiana highways. Observations of spot speeds were taken on interstate, four-lane and two-lane highways throughout the state during the October-December 1977 quarter. Analysis of the speeds showed the overall average speed for all vehicles was 58.7 mph. The overall average speed for passenger cars and all trucks was 59.3 mph and 58.1 mph respectively. These overall speeds are an increase over the results of the July-September 1977 quarter (Speed Report No. 102) of 1.2 mph for all vehicles, 1.5 mph for all passenger cars and 0.8 mph for heavy trucks.

Key concepts: Truck, Quarter (Canadian coin), Transport engineering, Traffic speed, Environmental science, Aeronautics, Automotive engineering, Engineering

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