The Effect of Turn Penalties on Minimum Paths in Coded Street Networks

Brudeseth, J. T.; Woods, Donald L.; Stover, Vergil G.

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The Effect of Turn Penalties on Minimum Paths in Coded Street Networks

1968-04-01
By Brudeseth, J. T. ; Woods, Donald L. ; Stover, Vergil G.

File Language:

English

[PDF - 11.23 MB]

Details

Creators:

Brudeseth, J. T. ; Woods, Donald L. ; Stover, Vergil G.
Corporate Creators:

Texas Transportation Institute. Texas A&M University
Corporate Contributors:

Texas Highway Department ; United States. Department of Transportation. Federal Highway Administration. Bureau of Public Roads
Subject/TRT Terms:
Publication/ Report Number:

60-10
Resource Type:

Tech Report
Geographical Coverage:

United States ; Texas
Corporate Publisher:

Texas Transportation Institute. Texas A&M University
Description:

Investigation of the effect of the use of the turn penalty was undertaken. Several trees from the detailed and intermediate networks in Waco, Texas with and without a turn penalty were compared and differences within each set of trees analyzed. The conclusions were as follows: Minimum path trees without a turn penalty (zero turn penalty) did not differ significantly from those when a 0.20-minute turn penalty was used. Illogical routings resulted just as often or more often with the 0.20-minute turn penalty as with the zero-turn penalty. No significant stair-stepping occurred in any of the paths even with the well-defined grid system of the detailed network which is a block-by-block representation of the Waco street network. It is believed that this is due to the level-of-service speed concept used in defining the link speed parameter. The coding of a higher level-of-service speed for the more important, higher volume links appears to prevent stair-step paths.
Format:

PDF
Funding:

2-9-63-60
Download URL:

https://rosap.ntl.bts.gov/view/dot/84425/dot_84425_DS1.pdf
File Type:

[PDF - 11.23 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:290222a34fefc198dd4e28ac0c378b35fa3baab08128f237f671620a3df05ed07e0852055a13c4e31f22f8c9d6d0ff3a6cb88f181ee26c5d9da65326429f98ae

File Language:

English

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