The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 26, 2018

Filed:

Feb. 16, 2017
Applicant:

Mapbox, Inc., San Francisco, CA (US);

Inventors:

Morgan Herlocker, Oakland, CA (US);

Camille Teicheira, San Francisco, CA (US);

Assignee:

MAPBOX, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08G 1/01 (2006.01); G01C 21/24 (2006.01); G01C 21/34 (2006.01); G08G 1/056 (2006.01);
U.S. Cl.
CPC ...
G08G 1/0112 (2013.01); G01C 21/34 (2013.01); G08G 1/0137 (2013.01); G08G 1/0129 (2013.01); G08G 1/0133 (2013.01); G08G 1/056 (2013.01);
Abstract

A method comprises identifying, in an electronic map, road data and intersection data, wherein the intersection data specifies an approach and two or more exits from the approach, bounding the approach using a bounding box around the entrance to an approach, identifying, using the bounding box, traces associated with the approach, wherein each trace identifies a path of a vehicle on one or more of the roads, for each trace of the plurality of traces, identifying which of the two or more exits most closely matches the particular trace, generating histograms based on a time period and which of the two or more exits most closely matches each trace of the plurality of traces, determining, using the histograms, whether one or more threshold values associated with one of the two or more exits is satisfied, sending a notification signal when the one or more threshold values is satisfied.


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