G08G 1/087
Override of traffic control
Official title: Override of traffic control, e.g. by signal transmitted by an emergency vehicle
G08G1/087 (Override of traffic control) appears on 434 US grants and 448 published applications in this corpus.
Search patents in G08G- Granted patents
- 434
- Published applications
- 448
- Assignees
- 185
- Inventors
- 944
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 3 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 4 | 8 |
| 2006 | 4 | 6 |
| 2007 | 6 | 6 |
| 2008 | 5 | 5 |
| 2009 | 5 | 3 |
| 2010 | 4 | 4 |
| 2011 | 8 | 14 |
| 2012 | 4 | 9 |
| 2013 | 6 | 7 |
| 2014 | 14 | 10 |
| 2015 | 8 | 12 |
| 2016 | 13 | 23 |
| 2017 | 27 | 25 |
| 2018 | 22 | 26 |
| 2019 | 30 | 45 |
| 2020 | 26 | 44 |
| 2021 | 42 | 47 |
| 2022 | 33 | 35 |
| 2023 | 34 | 31 |
| 2024 | 32 | 37 |
| 2025 | 32 | 29 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for operating a traffic management system based on priority vehicle arrival time15 Sep 2026US 12,738,159 B2DENSO International America, Inc.
- Emergency passage system for notification of approaching emergency vehicles18 Aug 2026US 12,711,858 B2Sauerconcept Patent Aps
- Backup power and communication systems for traffic signals11 Aug 2026US 12,705,979 B2
- Sensor based roadway traffic control system4 Aug 2026US 12,700,305 B2XRoadz Inc
- Systems for signaling protected turns at a traffic intersection14 Jul 2026US 12,682,751 B2Stc PLC
- Sensor based roadway traffic control system1 Oct 2026US 2026/0301565 A1XRoadz Inc
- Providing notification of intersection preemption status to an operator of a requesting vehicle24 Sep 2026US 2026/0285346 A1
- Method of controlling traffic flow and detecting traffic rule violations and system performing the same17 Sep 2026US 2026/0279197 A1
- System and method for using v2x and sensor data23 Jul 2026US 2026/0212756 A1Notraffic Ltd.
- Systems and Methods for Traffic Control During an Evacuation9 Jul 2026US 2026/0194358 A1
Most cited
By later US patents
- GPS-based traffic control preemption system408US 5,539,398 AMinnesota Mining and Manufacturing Company · 1996
- Intelligent traffic control and warning system and method217US 6,317,058 B12001
- Traffic control system utilizing cellular telephone system203US 5,745,865 ALSI Logic Corporation · 1998
- Emergency vehicle traffic signal pre-emption and collision avoidance system202US 6,326,903 B12001
- Emergency vehicle alert system178US 6,958,707 B12005