I found this statement troubling because in two recent cases it was relied upon by prosecutors and judges to find 4 clues sufficient to support a correct arrest decision. Keep your head still and look at and follow this stimulus with your eyes only. Dre database retrieved april 16, 2017 arrest evals training evals total evals impaired crashes drug positive 2016 460 284 744 955 32 2015 436 61 497 842 26 2014 475 99 574 675 26 20 465 178 643 692 30 2012 497 50 547 778 39 indiana dre evaluation data. Gaze nystagmus test, the suspect is required to fixate the eyes on a penlight, pencil or similar object that moves in accordance with the hgn. Nhtsa iacp impaired driving training curriculum updates. However, with respect to the hgn test, the nhtsa manual has always required. The procedures outlined in this manual describe how the standardized field sobriety. Instructor manual dwi detection may participant manual dre 7day may 2015 the national highway traffic safety administration detection and. The nhsta manual states that someone more than 50 pounds overweight may have difficulty performing certain field sobriety tests namely, the one leg stand. This is sfst hgn by mark brooks on vimeo, the home for high quality videos and the people who love them. Dwi detection and standardized field sobriety testing describe the observable signs of impairment usually associated with the major drug categories describe medical conditions and other situations that can produce similar signs of impairment describe appropriate procedures for dealing with drug impaired or medically impaired suspects. The horizontal gaze nystagmus test the nhtsa horizontal gaze eye movement test field sobriety tests do not prove or disprove sobriety.
Proposed new standards to improve the easeofuse and. Absent these two studies, nhtsa lacked a single standardized field sobriety tests that showed any reliability with suspected alcohol impairment. Phase one is vehicle in motion and the stopping sequence. Horizontal gaze nystagmus test hgn nhtsa horizontal.
The national highway traffic safety administration nhtsa and the international. Clearly, enforcing impaired driving laws is a key to reducing the number of alcoholrelated motorcyclist. Olson traffic safety resource prosecutor idaho prosecuting attorneys association 208 8847325 jared. Jan 01, 2015 the horizontal gaze nystagmus test the nhtsa horizontal gaze eye movement test field sobriety tests do not prove or disprove sobriety. Other articles cover vehicle in motion, personal contact, walk and turn, one leg stand, and specific safety concerns when conducting dui investigations. Nhtsa dot hs 811 415 drug involvement of fatally injured drivers, november 2010. There are three sfsts, namely horizontal gaze nystagmus hgn, walk and turn wat. National highway traffic safety administration dwi detection. This article will focus on the administration of the horizontal gaze nystagmus hgn test.
Dwi detection and standardized field sobriety testing positional alcohol nystagmus vestibular nystagmus cont. The accuracy of the sfst is an essential element of the theory of dui prosecutions. Field sobriety tests also do not prove driving impairment. Defendant opened door to otherwise inadmissible evidence on redirect examination that national highway transportation and safety association nhtsa manual correlated four out of six clues under horizontal gaze nystagmus hgn test with blood alcohol content of 0. Dwi detections and standardized field sobriety testing. We own nhtsa field sobriety manual 2015 epub, txt, djvu, doc, pdf forms. The national highway traffic safety administration nhtsa and the international association of chiefs of police iacp would like to thank the following individuals for their contributions in updating and revising the 2015 aride curricula. Dwi detection and standardized field sobriety testing.
The standardized field sobriety testing sfst training curriculum collectively prepares. Washington the nation lost 35,092 people in traffic crashes in 2015, ending a 5decade trend of declining fatalities with a 7. Accuracy of the nhtsas standardized field sobriety test sfst fst. According to nhtsa, sfsts have an accuracy rate of 95%.
Standardized field sobriety test sfst resources nhtsa. Dwi detection and standardized field sobriety test sfst participant manual refresher pdf, 24. The national highway traffic safety administration nhtsa and the international association of chiefs of police iacp would like to thank the following individuals for their contributions in updating and revising the 2015 sfst curricula. Alcoholimpaireddriving1 fatalities are affected by several external factors, including geography, urbanization, road structure and conditions, and economic activity, as well as by a. Horizontal gaze nystagmus how it workshow to challenge. The studies were funded by nhtsa to validate and standardize the horizontal gaze nystagmus hgn, the walkandturn, and the onelegstand tests. Department of transportations national highway traffic safety administration showed traffic deaths rising across nearly every segment of the. Ohio officers are required to perform all field sobriety tests in compliance with the national highway traffic safety administration nhsta manual.
Jan 25, 2018 the 2015 nhtsa manual claims that if an officer observes 4 clues he will be able to classify the subjects bac as greater than. National highway traffic safety administrations nhtsa dwi detection and standardized field sobriety testing manual. Position stimulus slightly above eye level i am going to check your eyes. Dwi detection and standardized field sobriety test sfst. The 2015 nhtsa manual claims that if an officer observes 4 clues he will be able to classify the subjects bac as greater than. Each entry provides an item number order number, a description or annotation, the year an item was published, the format, and the audience for which an item is directed. Ntlc was created in cooperation with the national highway traffic safety administration nhtsa and works closely with nhtsa and the national association of prosecutor coordinators to develop and deliver prosecutor training programs, such as. Using sfst validation studies in your next dwi trial. The national highway traffic safety administration nhtsa estimated that in 2011, about 29 percent of motorcycle operators involved in fatal crashes had a blood alcohol concentration bac of. The horizontal gaze nystagmus hgn field sobriety test checks your eyes for involuntary jerking as you gaze to the side. Highway traffic safety administration nhtsa standards.
Traffic fatalities up sharply in 2015 national highway. Horizontal gaze nystagmus test hgn nhtsa horizontal gaze. The procedures outlined in this manual describe how the. New 20 nhtsa field sobriety testing manual dui news blog. Typically, the law enforcement officer making the traffic stop is the one who administers the eye test to the dui suspect at the roadside, as part. Typically, the law enforcement officer making the traffic stop is the one who administers the eye. Understand the factors that may affect the accuracy of preliminary breath testing devices. The national highway traffic safety administration nhtsa recognizes that impaired driving is a complicated issue that cannot be addressed with one solution. The national highway traffic safety administration nhtsa has. If there is no external fuel pump relay, continue with section b. For officer safety keep your weapon away from the suspect. Original research by southern california research institute scri. Concepts and principles of horizontal gaze nystagmus hgn testing.
The officer must follow the nhtsa standards of spacing and timing in order to get this test admitted in court. If there is an external fuel pump relay installed, no further action is required. Each entry provides an item number order number, a description or annotation, the year an item was published, the format, and the audience for. Inside the nhtsa manuals horizontal gaze nystagmus hgn nystagmus mean an involuntary jerking of the eyes. Know and recognize typical clues of alcohol andor other drug impairment that may be seen during administration of the standardized field sobriety tests. Nhtsaiacp approved videos of the three standardized field sobriety tests. Specifically, kaczmarek argued that the hgn test was conducted while the troopers cruiser lights were in his line of sight, with the troopers pen at incorrect positions, and for an incorrect duration of time. These tests are designed to be administered and evaluated in a standardized manner to obtain validated indicators of impairment based on nhtsa supported research.
Jan 16, 2016 the hgn eye test was suppressed kept out of evidence by the court because it was not conducted in compliance with the nhsta manual. This is probably the most difficult test to administer because the emphasis is on the officer, not the test subject, to get the test correct. Part of the states burden includes demonstrating what the nhtsa standards are through competent testimony andor by introducing the applicable portions of the nhtsa manual. Are field sobriety tests admissible in ohio if the driver is. Administration nhtsa, and the international association of chiefs of police iacp, has experienced remarkable success since its inception in the early 1980s. Advancing safety on americas roads expedited grants to the states. American prosecutors research institute hgn case law summary. Specifically, the hgn test was conducted while the troopers cruiser lights were in the drivers line of sight, with the troopers pen at incorrect positions, and for an incorrect duration of time.
Checklist for horizontal gaze nystagmus test criteria time to perform if eyeglasses, have subject remove them. Field sobriety tests sfsts and horizontal gaze nystagmus hgn. We encourage our readers to view all of the posts to become familiar with the overall sfst battery of tests. Standardized field sobriety testing refresher 10 2015 preface page 1 of 1. Dwi detection and standardized field sobriety test sfst participant manual refresher pdf, 1. Position stimulus approximately 1215 inches from the subjects nose. This page provides information and links relating to the nhsta sfst battery. During the horizontal gaze nystagmus test, the suspect is require to fixate the eyes on a penlight, pencil or similar object that moves in accordance with the hgn testing procedures, thus optokinetic nystagmuswill not occur. There are three 3 field sobriety tests that make up the national highway traffic safety administration nhtsa standardized field sobriety test sfst battery. Accuracy of the nhtsas standardized field sobriety test. Prosecution of driving while under the influence, prosecuting the drugged driver, and. According to the nhtsa standardized field sobriety testing appendix a online manual, when testing the hgn, the officer should look for three. The nhtsa funded and published hgn robustness study of 2007 was the first study to examine this test performed by expert practitioners, under laboratory conditions, and where the bac was known. The test is 65% accurate in detecting intoxicated individuals, in and of itself, with no other tests and 83% accurate when combined with 4 or more clues from the hgn.
Nhtsa 2015 dwi manual law offices of john campanella. If the officer does not agree, point out the following section in the nhtsa manual. Horizontal gaze nystagmus testing is part 3 of a dui training series. Refer to nhtsa student manual viii horizontal gaze nystagmus. The traffic safety materials listed in this website are available from the nhtsa resource center. When challenging the hgn test or any other field sobriety test that uses an nhtsa standard, ask the officer to agree that nhtsa believes that its procedures should be followed as given. As in any educational training program, an instruction manual or guide is considered a. The national highway traffic safety administration nhtsa spent many thousands of dollars on studies to develop a battery of dwi investigation tools called field sobriety tests.
The stimulus should be moved at a speed that takes at least two seconds from the center position to the side position. The sfst battery is a set of tests, including horizontal gaze nystagmus hgn, walk andturn wat and oneleg stand ols. There are three sfsts, namely horizontal gaze nystagmus hgn, walk and turn. Dui news leave a comment here at, the wagner law firm, west virginias premier dui defense firm, strives to continually bring you the latest and most current developments and discussions in dui law around the country. The test begins by the police officer placing the tested person in the instructional stance where the feet are placed together and the arms are kept to the side. Absent these two studies, nhtsa lacked a single standardized field sobriety tests that showed any reliability with suspected alcohol imp. Using the wrong formula, the accuracy nhtsa calculates for the sfst is spectacularly wrong. By authority listed in title 49, code of federal regulations, part 7, there are fees assessed by tis for this.
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