<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2215-2652</journal-id>
<journal-title><![CDATA[Ingeniería]]></journal-title>
<abbrev-journal-title><![CDATA[Ingeniería]]></abbrev-journal-title>
<issn>2215-2652</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-26522025000100071</article-id>
<article-id pub-id-type="doi">10.15517/ri.v35i1.61159</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Funciones de desempeño de seguridad vial para secciones de control en Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Safety performance functions for road control sections in Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Garita]]></surname>
<given-names><![CDATA[Rodolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Vega]]></surname>
<given-names><![CDATA[Henry]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Agüero Valverde]]></surname>
<given-names><![CDATA[Jonathan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez Romero]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>35</volume>
<numero>1</numero>
<fpage>71</fpage>
<lpage>88</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-26522025000100071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-26522025000100071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-26522025000100071&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los choques viales representan un alto costo social y económico para el país. Por esta razón, se estudia la Red Vial Nacional de Costa Rica para determinar aquellas secciones de control con potencial de mejora, utilizando funciones de desempeño de seguridad vial. El estudio se realiza aplicando el método de exceso de frecuencia de choques esperado, ajustado con Bayes empírico. La metodología se toma del Manual de Seguridad de Carreteras de la AASHTO. El análisis se aplica a todas las secciones de control con disponibilidad de datos requeridos para la investigación, por lo que se estudian 911 secciones de control de la Red Vial Nacional. Se realizaron los análisis para cuatro modelos de choques: totales, solo heridos leves, solo muertos o heridos graves y colisión con motocicleta. Se determinaron las secciones de control con exceso de frecuencia de choques esperado. Además, a partir de los estudios realizados, se determinó que la cantidad de accidentes se ve influenciada principalmente por tres variables: tipo de superficie, condición de señalización y ancho de superficie. Es recomendable que se generen planes para mejorar la seguridad vial en las secciones de control con mayor exceso de frecuencia de choques esperado, debido a que representan un mayor potencial de mejora en términos de seguridad vial. Por otro lado, se sugiere estudiar las secciones de control con menor exceso de frecuencia de choques esperado para conocer las condiciones que tienen estos sitios.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Road crashes represent a high social and economic cost for the country. For this reason, the Costa Rican National Road Network is studied to determine those control sections with potential for improvement using road safety performance functions. The study is performed by applying the method of expected excess frequency of crashes, adjusted with empirical Bayes. The methodology is taken from the AASHTO Highway Safety Manual. The analysis is applied to all control sections with availability of data required for the research, so 911 control sections of the National Road Network are studied. The analyses were performed for four crash models: total crashes, minor injuries only, fatalities or serious injuries only, and collisions with motorcycles. The control sections with excess frequency of expected crashes were determined. In addition, from the studies performed, it was determined that the number of crashes is mainly influenced by three variables: type of surface, sign condition, and surface width. It is advisable to generate plans to improve road safety in the control sections with the highest excess frequency of expected crashes, since they represent a greater potential for improvement in terms of road safety. On the other hand, it is recommended to study the control sections with lower excess frequency of expected crashes, in order to know the conditions that prevail at these sites. SIMBOLOGÍA O NOMENCLATURA AASHTO American Association of State Highway and Transportation Officials. COSEVI Consejo de Seguridad Vial. HSM Highway Safety Manual. LANAMME Laboratorio Nacional de Materiales y Modelos Estructurales. MOPT Ministerio de Obras Públicas y Transportes. RVN Red Vial Nacional. SIG Sistema de Información Geográfica. SNIT Sistema Nacional de Información Territorial. TPD Tránsito Promedio Diario. TPDA Tránsito Promedio Diario Anual.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Empirical Bayes]]></kwd>
<kwd lng="en"><![CDATA[National Road Network]]></kwd>
<kwd lng="en"><![CDATA[negative binomial regression]]></kwd>
<kwd lng="en"><![CDATA[network screening]]></kwd>
<kwd lng="en"><![CDATA[safety performance functions]]></kwd>
<kwd lng="es"><![CDATA[Análisis de sitios de concentración de choques]]></kwd>
<kwd lng="es"><![CDATA[Bayes empírico]]></kwd>
<kwd lng="es"><![CDATA[Red Vial Nacional]]></kwd>
<kwd lng="es"><![CDATA[regresión binomial negativa]]></kwd>
<kwd lng="es"><![CDATA[seguridad vial]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>(1)</label><nlm-citation citation-type="book">
<collab>Unidad de Estadísticas Demográficas</collab>
<source><![CDATA[Estadísticas Vitales 2017 POBLACIÓN, NACIMIENTOS DEFUNCIONES Y MATRIMONIOS.]]></source>
<year>2018</year>
<publisher-name><![CDATA[INEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>(2)</label><nlm-citation citation-type="book">
<collab>Unidad de Estadísticas Demográficas</collab>
<source><![CDATA[Estadísticas Vitales 2019 POBLACIÓN, NACIMIENTOS DEFUNCIONES Y MATRIMONIOS.]]></source>
<year>2020</year>
<publisher-name><![CDATA[INEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>(3)</label><nlm-citation citation-type="book">
<collab>Unidad de Estadísticas Demográficas</collab>
<source><![CDATA[Estadísticas Vitales 2021 POBLACIÓN, NACIMIENTOS DEFUNCIONES Y MATRIMONIOS.]]></source>
<year>2022</year>
<publisher-name><![CDATA[INEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<label>(4)</label><nlm-citation citation-type="book">
<collab>AASHTO</collab>
<source><![CDATA[Highway Safety Manual]]></source>
<year>2010</year>
<edition>1 ed</edition>
<publisher-name><![CDATA[AASHTO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<label>(5)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valencia-Alaix]]></surname>
<given-names><![CDATA[V. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Restrepo Betancur]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Lizarazo Jimenez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pineda Mendez]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Estimation of Safety Performance Functions (SPF) at signalized intersections in Medellín Colombia'']]></article-title>
<source><![CDATA[Dyna]]></source>
<year>2020</year>
<volume>87</volume>
<numero>214</numero>
<issue>214</issue>
<page-range>215-20</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>(6)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guadamuz-Flores]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Agüero-Valverde]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Cruces ferroviarios con promesa de mejora en seguridad vial en Costa Rica'']]></article-title>
<source><![CDATA[Infraestructura Vial]]></source>
<year>2019</year>
<volume>21</volume>
<numero>38</numero>
<issue>38</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>(7)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lizarazo]]></surname>
<given-names><![CDATA[C. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Mangones]]></surname>
<given-names><![CDATA[S. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bulla-Cruz]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Darghan]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Safety performance of dedicated and preferential bus lanes using multivariate negative binomial models for Bogotá, Colombia'']]></article-title>
<source><![CDATA[Accid. Anal. Prev.]]></source>
<year>2024</year>
<volume>202</volume>
<page-range>107595</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>(8)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Agüero-Valverde]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Determinación de rutas con potencial de mejora utilizando funciones de desempeño de seguridad vial: caso de Costa Rica'']]></article-title>
<source><![CDATA[Infraestructura Vial]]></source>
<year>2016</year>
<volume>18</volume>
<numero>32</numero>
<issue>32</issue>
<page-range>39-52</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>(9)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ospina-Mateus]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Quintana Jiménez]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez-Valdez]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sankar Sana]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Prediction of motorcyclist traffic crashes in Cartagena (Colombia): development of a safety performance function'']]></article-title>
<source><![CDATA[RAIRO-Operations Research]]></source>
<year>2021</year>
<volume>55</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1257-78</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>(10)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Manan]]></surname>
<given-names><![CDATA[M. M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jonsson]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Várhelyi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Development of a safety performance function for motorcycle accident fatalities on Malaysian primary roads'']]></article-title>
<source><![CDATA[Saf. Sci]]></source>
<year>2013</year>
<volume>60</volume>
<page-range>13-20</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>(11)</label><nlm-citation citation-type="">
<collab>COSEVI</collab>
<source><![CDATA[''Costa Rica: Longitud de la red vial'']]></source>
<year>2023</year>
</nlm-citation>
</ref>
<ref id="B12">
<label>(12)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Varela Araya]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Agüero-Valverde]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Modelos de frecuencia de choques para segmentos de intersecciones: ruta 34 en Costa Rica'']]></article-title>
<source><![CDATA[Ingeniería]]></source>
<year>2018</year>
<volume>28</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>41-59</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>(13)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro Estrada]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Agüero-Valverde]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Aplicación del método Bayes Empírico en análisis de seguridad vial: el caso de la Ruta 32 en Costa Rica'']]></article-title>
<source><![CDATA[Ingeniería]]></source>
<year>2015</year>
<volume>25</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>33-46</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>(14)</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moya Fernández]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tesis de Maestría]]></source>
<year>2019</year>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<label>(15)</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez Shum]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tesis de Maestría]]></source>
<year>2019</year>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<label>(16)</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Varela Araya]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tesis de Licenciatura]]></source>
<year>2016</year>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<label>(17)</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leiva López]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tesis de Licenciatura]]></source>
<year>2016</year>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<label>(18)</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro Estrada]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tesis de Licenciatura]]></source>
<year>2013</year>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<label>(19)</label><nlm-citation citation-type="journal">
<collab>Secretaría de Planificación Sectorial</collab>
<article-title xml:lang=""><![CDATA[''Trazado Red Vial Nacional'']]></article-title>
<source><![CDATA[Sistema Nacional de Información Territorial.]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B20">
<label>(20)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hauer]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Even correctly specified and well-estimated regression models can mislead'']]></article-title>
<source><![CDATA[Accid. Anal. Prev.]]></source>
<year>2023</year>
<volume>194</volume>
<page-range>107239</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>(21)</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elvik]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Christensen]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Helene Amundsen]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Speed and road accidents an evaluation of the power model.]]></source>
<year>2004</year>
<publisher-name><![CDATA[Transportøkonomisk Institutt]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<label>(22)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yuan]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdel-Aty]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Yue]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Eluru]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Developing safety performance functions for freeways at different aggregation levels using multi-state microscopic traffic detector data'']]></article-title>
<source><![CDATA[Accid. Anal. Prev.]]></source>
<year>2021</year>
<volume>151</volume>
<page-range>105984</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>(23)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Das]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Geedipally]]></surname>
<given-names><![CDATA[S. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Fitzpatrick]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Inclusion of speed and weather measures in safety performance functions for rural roadways'']]></article-title>
<source><![CDATA[IATSS research]]></source>
<year>2020</year>
<volume>45</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>60-9</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>(24)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shirani-Bidabadi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mallipaddi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Haleem]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Developing Bicycle-Vehicle Crash-Specific Safety Performance Functions in Alabama Using Different Techniques'']]></article-title>
<source><![CDATA[Accid. Anal. Prev]]></source>
<year>2020</year>
<volume>146</volume>
<page-range>105735</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>(25)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhai]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Xie]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[''Developing equity-aware safety performance functions for identifying hotspots of pedestrian-involved crashes'']]></article-title>
<source><![CDATA[Accid. Anal. Prev.]]></source>
<year>2024</year>
<volume>207</volume>
<page-range>107759</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
