![Formula 1 on Twitter: "GREEN LIGHT: The pit lane is open and we're off in FP3! Remember you can follow the final practice session with live commentary, timings and more >> https://t.co/MddmLh2Nm7 # Formula 1 on Twitter: "GREEN LIGHT: The pit lane is open and we're off in FP3! Remember you can follow the final practice session with live commentary, timings and more >> https://t.co/MddmLh2Nm7 #](https://pbs.twimg.com/media/ED2p48nWkAA6r2P.jpg)
Formula 1 on Twitter: "GREEN LIGHT: The pit lane is open and we're off in FP3! Remember you can follow the final practice session with live commentary, timings and more >> https://t.co/MddmLh2Nm7 #
![Formula 1 on Twitter: "GREEN LIGHT So far an empty pit lane #BrazilGP #F1 https://t.co/8kKoTvGTzF" / Twitter Formula 1 on Twitter: "GREEN LIGHT So far an empty pit lane #BrazilGP #F1 https://t.co/8kKoTvGTzF" / Twitter](https://pbs.twimg.com/media/FhTuxTKXgAccI-t.jpg:large)
Formula 1 on Twitter: "GREEN LIGHT So far an empty pit lane #BrazilGP #F1 https://t.co/8kKoTvGTzF" / Twitter
![Pit lane exit in motor sport asphalt circuit with barrier wall and red light, grandstands on the left Stock Photo | Adobe Stock Pit lane exit in motor sport asphalt circuit with barrier wall and red light, grandstands on the left Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/03/89/85/54/1000_F_389855484_VcU8kMn2tDBjgOQ16YXvyv0g1wf1Snun.jpg)
Pit lane exit in motor sport asphalt circuit with barrier wall and red light, grandstands on the left Stock Photo | Adobe Stock
![Formula 1 on Twitter: "🚥 GREEN LIGHT 🚥 #Q1 is GO! HAM leads a mini traffic-jam at the pitlane exit #BrazilGP 🇧🇷 #Quali https://t.co/5uaYkWfdSL" / Twitter Formula 1 on Twitter: "🚥 GREEN LIGHT 🚥 #Q1 is GO! HAM leads a mini traffic-jam at the pitlane exit #BrazilGP 🇧🇷 #Quali https://t.co/5uaYkWfdSL" / Twitter](https://pbs.twimg.com/media/CxEt8BBWIAAsCGA.jpg)
Formula 1 on Twitter: "🚥 GREEN LIGHT 🚥 #Q1 is GO! HAM leads a mini traffic-jam at the pitlane exit #BrazilGP 🇧🇷 #Quali https://t.co/5uaYkWfdSL" / Twitter
![Formula 1 on Twitter: "GREEN LIGHT: The pit lane is open and we're off and running in final practice! Lando Norris is quick out of the blocks and is first on track Formula 1 on Twitter: "GREEN LIGHT: The pit lane is open and we're off and running in final practice! Lando Norris is quick out of the blocks and is first on track](https://pbs.twimg.com/media/EDSkn7fXkAAILtM.jpg:large)
Formula 1 on Twitter: "GREEN LIGHT: The pit lane is open and we're off and running in final practice! Lando Norris is quick out of the blocks and is first on track
![green light at exit of pit-lane at the Circuit de Catalunya raceway near Barcelona in Spain Stock Photo - Alamy green light at exit of pit-lane at the Circuit de Catalunya raceway near Barcelona in Spain Stock Photo - Alamy](https://c8.alamy.com/comp/A4P9KA/green-light-at-exit-of-pit-lane-at-the-circuit-de-catalunya-raceway-A4P9KA.jpg)
green light at exit of pit-lane at the Circuit de Catalunya raceway near Barcelona in Spain Stock Photo - Alamy
![Motorsports: FIA Formula One World Championship 2019, Grand Prix of Bahrain, #44 Lewis Hamilton (GBR, Mercedes AMG Petronas Motorsport), Pitlane, signal, green light, traffic light, Ampel 31.03.2019. | usage worldwide Stock Photo - Alamy Motorsports: FIA Formula One World Championship 2019, Grand Prix of Bahrain, #44 Lewis Hamilton (GBR, Mercedes AMG Petronas Motorsport), Pitlane, signal, green light, traffic light, Ampel 31.03.2019. | usage worldwide Stock Photo - Alamy](https://c8.alamy.com/comp/T29CG0/motorsports-fia-formula-one-world-championship-2019-grand-prix-of-bahrain-44-lewis-hamilton-gbr-mercedes-amg-petronas-motorsport-pitlane-signal-green-light-traffic-light-ampel-31032019-usage-worldwide-T29CG0.jpg)
Motorsports: FIA Formula One World Championship 2019, Grand Prix of Bahrain, #44 Lewis Hamilton (GBR, Mercedes AMG Petronas Motorsport), Pitlane, signal, green light, traffic light, Ampel 31.03.2019. | usage worldwide Stock Photo - Alamy
![Formula 1 on Twitter: " GREEN LIGHT The pit lane is open! #FrenchGP #F1 https://t.co/JUcsmCLiNJ" / Twitter Formula 1 on Twitter: " GREEN LIGHT The pit lane is open! #FrenchGP #F1 https://t.co/JUcsmCLiNJ" / Twitter](https://pbs.twimg.com/media/E4U1Z5yXoAArTMj.jpg)
Formula 1 on Twitter: " GREEN LIGHT The pit lane is open! #FrenchGP #F1 https://t.co/JUcsmCLiNJ" / Twitter
![Regarding yesterday's investigation, there are no conflicting marshalling signals. The green lights appear to be pit lane open/weight bridge lights. : r/formula1 Regarding yesterday's investigation, there are no conflicting marshalling signals. The green lights appear to be pit lane open/weight bridge lights. : r/formula1](https://i.imgur.com/5fqmlud.png)