Sky Sport Italy said Immobile was travelling with his two daughters in the car, with the 33-year-old forward telling police that the tram allegedly ran a red light.
Images from Wednesday's action in the Champions League.
The fixture list is ready and the restart date is confirmed but the Italian football federation (FIGC) is still worried that the Serie A season might not finish due to rules for quarantining players infected with COVID-19. In most countries where football has restarted, such as Germany, the general rule is that when a player tests positive for coronavirus, he has to be quarantined but his team mates can continue training and playing provided they test negative. However, in Italy, where Serie A is due to resume on June 20, the government rule is that the entire squad must be quarantined for 14 days.
Rayo Vallecano forward Alvaro Garcia netted an early goal to give his side a surprise 1-0 win against Barcelona at the Camp Nou on Sunday, moving Real Madrid another step closer to sealing their 35th LaLiga title.
LaLiga leaders Barcelona's pursuit of a 27th Spanish title gained momentum after a 2-1 comeback win over Real Madrid.
Substitute Alessandro Matri was the unlikely hero when he scored an extra-time winner to give Juventus a 2-1 win over Lazio in the Coppa Italia final on Wednesday, keeping them on course for the treble.
Immobile strikes in Lazio's win, in contention for golden boot. IMAGES from the Serie A matches played on Wednesday.
Juventus, who have won only one of their last five games and have dropped 18 points from winning positions this season, stay on 80 points followed by Atalanta with 74 and Inter Milan on 73 with three games each to play.
AC Milan beat visitors Lazio 2-0 to claim consecutive Serie A wins for the first time since February thanks to Carlos Bacca's fifth goal of the season and an M'Baye Niang penalty on Tuesday.
Napoli's Manolo Gabbiadini netted a precious second-half equaliser to earn a 1-1 away draw at Lazio in the first leg of their Italian Cup semi-final on Wednesday.
Napoli maintained their two-point advantage at the top of Series with a 2-0 victory at Lazio on Wednesday in a game suspended due to racist chanting as Juventus beat Genoa 1-0 to break a club record for consecutive league wins in a single season.
He also finished the season five goals clear of the next leading scorer, Cristiano Ronaldo of Juventus.
Inter Milan's lead at the top of Serie A was cut when they lost 2-1 at home to Lazio on Sunday while AS Roma beat Genoa 2-0 to record their first win in eight games and ease the pressure on under-fire coach Rudi Garcia.
AS Roma ended a five-match winless run against arch-rivals Lazio with a 2-0 win on Sunday which maintained their 100 percent record after four games in Serie A.
Fellow Serie A sides Atalanta and Lazio also won while Portugal's Vitoria Guimaraes began their match against Salzburg with not a single European player in the team.
Gonzalo Higuain netted twice, the first a superb individual effort, to give Napoli a 4-2 win at Lazio while Fiorentina beat Hellas Verona 4-3 in a Serie A scoring spree on Monday.
RB Leipzig scored twice in the opening 13 minutes but had to survive a late comeback from Manchester United to cling on to a 3-2 win on Tuesday that sent them into the Champions League knockout stage and eliminated the English side.
Lazio squandered a two-goal lead against Inter Milan as they drew 2-2 at the San Siro on Sunday and wasted a golden chance to take sole possession of third spot in Serie A.
On a night of close finishes in all five first-leg playoff games, the 21-year-old Dutch winger opened his United account with a memorable performance in the famous number seven shirt previously worn by George Best, Eric Cantona and David Beckham.
News of all that's transpired on and off the football field
Juventus defeated second-placed Lazio 2-0 at home on Saturday to take another huge step towards their fourth straight Serie A title and boost their confidence for Wednesday's crunch Champions League clash in Monaco.
The value of an in-form striker was underlined as Tottenham Hotspur, Liverpool and Athletic Bilbao needed goals from pivotal front men to grab vital wins that booked places in the Europa League last 32 on Thursday.
Former Newcastle United striker Faustino Asprilla is entering the world of business by designing and selling fruit-flavoured condoms in his native Colombia.
Chelsea moved within touching distance of a first Premier League title in five years with a 1-0 win over Manchester United while Lionel Messi reached a landmark with his 400th career goal for La Liga leaders Barcelona.
Photos from the football matches played in the Serie A, Bundesliga and French Ligue 1 on Sunday
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field