OPINION
Plaintiff, Joshua Fisher (Fisher), initiated this action against defendant, Warren Trapp (Trapp), after a pedestrian-automobile accident. The jury found no cause of action, and Fisher appeals, claiming that the trial judge erred in excluding evidencе that defendant fled the scene of the accident. We affirm.
At about 9:15 p.m. on June 3,1982, Trapp hit Fisher while Trapp was driving north on Redwood Road in Salt Lake City. As Trapp approached 430 North on Redwood Road, Fisher, age nine, and his brother, Patrick Fisher, age twelve, were standing on the west side of the street waiting to cross. Fisher darted across Redwood Road and collided with the left front wheel area of Trapp’s vehicle, landing about one foot from where the collision occurred.
Fоllowing the collision, Trapp continued northbound, but returned to the accident site within a few minutes and saw an adult aiding Fisher. Trapp again left, returned shortly thereafter, and spoke to a police officer without identifying himself as the driver of the vehiclе. Trapp then went to his home, and within thirty minutes of the accident, called the police and identified himself as the driver of the vehicle that had hit Fisher.
At trial, the two eyewitnesses to the accident, Fisher’s brother, Patrick, and Trapp, testified. Fisher did not testify beсause he had no recollection of the accident. Patrick testified that he and Fisher were walking down Redwood Road when Fisher turned to cross the street in the *205 middle of the block. Patrick said Fisher waited for three cars and then started crossing. Patriсk saw the Trapp vehicle and yelled at Fisher as he ran into the road. Fisher turned back, looked like he was trying to come back and was then hit by the front left portion of Trapp’s car. Patrick ran to his brother, told him to lie still and ran to a house where he was told that an ambulance had been called. Trapp testified that he first knew an accident had occurred when he heard a thump and simultaneously saw Fisher at the left front fender of his car.
Prior to trial, Trapp filed a motion in limine to exclude evidence that he failed to stop at the scene of the accident. Fisher contended the evidence was admissible to create an inference of defendant’s consciousness of guilt. The judge excluded the evidence on thе ground that its possible prejudicial effect outweighed its probative value.
During the trial, Val Shupe, an accident reconstruction expert, was called as a witness by Fisher to elicit his opinion of the cause of the accident. Trapp’s objection to the testimony, based on inadequate foundation, was sustained. Later in the trial, after additional foundation was laid, Shupe was permitted to state his opinion of the cause of the accident.
Fisher claims on appeal that thе trial court committed reversible error by: 1) excluding evidence concerning Trapp’s flight from the scene of the accident; and 2) excluding Shupe’s testimony.
I.
We first consider whether evidence that Trapp left the scene of the accident was properly excluded. The trial court’s rulings regarding the admissibility of evidence will not be disturbed unless it clearly appears that the lower court was in error.
State v. Gray,
According to Utah R.Evid. 401, evidence is relevant if it has “any tendency to make the existence of аny fact that is of consequence to the determination of the action more probable or less probable than it would be without the evidence.” However, relevant evidence may be excluded if “its probative value is substantially outweighеd by the danger of unfair prejudice, confusion of the issues or misleading the jury_” Utah R.Evid. 403.
Evidence is unfairly prejudicial ... if it has a tendency to influence the outcome of the trial by improper means, or if it appeals to the jury’s sympathies, or arouses its sense of horror, provokes its instinct to punish or otherwise causes a jury to base its decision on something other than the established propositions of the case.
Terry v. Zions Coop. Mercantile Inst.,
The Utah Supreme Court has not addressed whether evidence of flight from the scene of an accident is admissible in a civil action for negligence.
1
However, some other jurisdictions confronted with the issue have admitted evidence of flight in civil cases. Evidence of flight has been admitted where the plaintiff’s injuries were aggravated by the driver’s failure to stop and render assistance.
Brooks v. Willig Truck Transp. Co.,
In some cases, courts have admitted evidence of flight where there were serious factual disputes in the evidence.
Petroleum Carrier Corp. v. Snyder,
None of the cases cited admitted flight evidence for the purpose of proving defendant’s alleged negligence, as Fisher attempted, nor do their underlying reasoning support its admission in this case. Trapp's flight from the scene of the аccident did not aggravate Fisher’s injuries since a neighbor called an ambulance immediately after the accident. In addition, flight evidence was not necessitated by significant factual disputes or the absence of eyewitness testimony. Both Trapp and Patrick Fisher testified regarding the accident and their testimony did not conflict. Finally, evidence that Trapp fled the scene of the accident was not required to demonstrate that Trapp was the driver of the vehicle. Trapp cоntacted the police within thirty minutes of the accident and admitted that he was the driver of the vehicle that hit Fisher.
Flight evidence has been excluded in other cases which more closely parallel this case. In
Freeman v. Anderson,
or any other fact of consequence to the determination of the primary action be *207 tween the parties. We, therefore, hold that the admission of evidence of the crime of stealing the police сar after the accident ... was error because it substantially affected the right of defendant Gaines to a fair trial on the primary issues before the jury. The probative value of the evidence was substantially outweighed by the danger of unfair prejudiсe. ...
Id. at 1179.
We find in .this case, as in Barnes, that Trapp’s flight from the scene of the accident had little, if any, relevance to Fisher’s claim of negligence. In addition, even if the evidence were relevant, its probative value was overwelmingly outweighed by the danger of unfair prejudice. Trapp’s flight could have indicated fear or remorse just as easily as consciousness of guilt. Had the evidence been admitted, it could have confused or misled the jury. When the marginal relevance of the evidence is coupled with the potential prejudicial effect the evidence of flight may have had upon the jury, we believe the trial court acted well within its discretion in excluding the evidence.
IL
Fisher’s second claim on appeal is that the trial court erred in excluding Shupe’s opinion as to the cause of the accident. During the trial, Fisher’s attorney attempted to elicit Shupe’s opinion that Trapp was driving too fast and had an improper lookout. Trapp’s attorney successfully objected, based on inаdequate foundation, claiming that Shupe, an accident reconstruction expert, had not testified as to the location on the road where Trapp could have seen Fisher and taken steps to avoid the accident. On the secоnd day of trial, Shupe testified that during the recess he had returned to the scene of the accident and asked Patrick Fisher where he and the Trapp vehicle were positioned when he first saw the vehicle. Shupe then stated that Trapp was 201 feet from Fisher when Fisher entered the road. Based on that foundation, the court permitted Shupe to state that, in his opinion, Trapp was proceeding too fast for the conditions and had an improper lookout.
The trial court’s determination of adequate foundation is solely within the discretion of the trial court.
Tjas v. Proctor,
In this case, the trial court sustained Trapp’s objection to Shupe’s opinion because Shupe did not have the necessary degree of familiarity with the facts. On the second day of trial, when Shuрe had acquired the requisite familiarity, the judge allowed the testimony. Based on the facts present in this case, we find no abuse of discretion by the trial judge.
Affirmed.
BENCH and BILLINGS, JJ., concur.
Notes
. The Utah Supreme Court has, however, addressed the admissibility of flight evidence in the criminal context.
State v. Franklin,
