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:
May. 12, 2026

Filed:

Jul. 27, 2023
Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Fan Bai, Ann Arbor, MI (US);

Michael Wahlstrom, Wolverine Lake, MI (US);

Donald K. Grimm, Utica, MI (US);

Paul E. Krajewski, Troy, MI (US);

Richard Gordon, Canton, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/34 (2006.01);
U.S. Cl.
CPC ...
G01C 21/3415 (2013.01); G01C 21/3461 (2013.01); G01C 21/3492 (2013.01);
Abstract

A method for lane-level road congestion identification and forecasting includes identifying lane-level road congestion using Gaussian mixture modeling, predicting lane-level road congestion using a 2D Markov chain, and identifying routes and route changes for a host vehicle and applying the route and route changes to improve a host vehicle estimated time of arrival (ETA) at a predetermined finish location such that the ETA is shorter than a predetermined threshold.


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