Communication individuelle (pdf - 82Ko)

Affiche (pdf - 4.8Mo)

Présentation (pdf - 2.9Mo)

?The present conditions and problems Cold air mass brings heavy snow to Tohoku and Hokkaido region of the Japanese Islands. The road surface condition changes according to the route position of the expressway. And, the road surface condition changes every moment. Therefore, to solve some technical challenges, we must enhance the road surface management technique in winter. ?Plans of action for [...]

Communication individuelle (pdf - 212Ko)

Affiche (pdf - 6.2Mo)

Présentation (pdf - 1.0Mo)

In Hokkaido, Japan, there are numerous road closures due to blowing snow and snowdrifts on the roads every winter season. The road maintenance mangers have been patrolled several times per day to catch visibility conditions accurately during severe winter road conditions. Visibility information along the highway allows road maintenance managers to better operate, maintain roads to prevent incidents [...]

Communication individuelle (pdf - 195Ko)

Transportation safety analysis has utilized spatial statistics fairly recently and is gaining the attention and adoption of many transportation researchers. Various forms of spatial statistics have been studied with Kriging coming into the forefront of transportation research. From recent studies, kriging has shown to be effective in estimating or prediction various transportation variables such as [...]

Affiche (pdf - 4.0Mo)

Présentation (pdf - 2.1Mo)

Mark Corbin is the Highways Key Route Network Manager at Transport for West Midlands in England. In January/February 2020, as part of a Winston Churchill Fellowship, Mark travelled to six cities to examine where the United Kingdom could learn more to enhance its mature approach to managing winters. More than 50 interviews with winter maintenance professionals, residents, and road users in the cities [...]

Affiche (pdf - 5.3Mo)

Présentation (pdf - 1.2Mo)

Snow and ice control is a vital function of most U.S. local and state transportation agencies. Of the approximate 4.4 million center-lane miles of public roadways in the U.S. 77% are the responsibility of local jurisdictions. Nearly all regions in the U.S. experience snow and ice to varying degrees. Agencies spend more than $2.3 billion annually (about 20% of their annual maintenance budgets) on [...]

Communication individuelle (pdf - 569Ko)

Affiche (pdf - 5.4Mo)

Since 2012, DOT maintenance supervisors have participated in an evaluation of the maintenance recommendations generated by the Maintenance Decision Support System (MDSS) Pooled Fund Study (PFS) software. A module integrated into the MDSS user interface allows maintainers to provide simple feedback indicating whether they accept or decline an MDSS recommendation and whether the MDSS-derived road weather [...]

Affiche (pdf - 5.7Mo)

Présentation (pdf - 2.0Mo)

In many countries road maintenance operations have been managed by two organizations: a) daily maintenance that is charge of, among other things, winter maintenance, and b) pavement maintenance that takes care of operations related to pavement management. This arrangement has mainly worked well but, for instance, drainage management has fallen in many cases into a “grey” area with neither organization [...]

Communication individuelle (pdf - 88Ko)

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Présentation (pdf - 2.2Mo)

The development of the alert situation due to adverse weather, implies the making of decisions that, not managed quickly and by consensus between the different intervening parties, can cause a great impact on users, alter the service levels of each road and block the correct operation of communication routes, essential for the development and guarantee of the country's supplies and the road safety [...]

Communication individuelle (pdf - 828Ko)

Affiche (pdf - 5.1Mo)

Présentation (pdf - 2.1Mo)

Severe weather planning is an integral part of Highways England’s Severe Weather Service which aims to keep our roads safe and usable all year round for our customers. To achieve this each of Highways England’s Areas and Regions produce an annual Severe Weather Plan based on a national template, which details the mitigation measures in place to combat severe weather events. Traditionally, the [...]

Communication individuelle (pdf - 120Ko)

Affiche (pdf - 5.9Mo)

Public works agencies across the U.S. have been impacted by the steps taken to control the spread of the COVID-19 (SARS-CoV-2) virus. This paper examines how agencies have been impacted and the steps taken to address those impacts. The study involved interviews with agencies at the State, City, and County level around the United States. Initial interviews were conducted in August 2020 to determine [...]

Communication individuelle (pdf - 57Ko)

Affiche (pdf - 5.3Mo)

Présentation (pdf - 933Ko)

Crashes involving snowplows can lead to property damage, significant injuries, and roadway fatalities. Additionally, an out of service snowplow negatively affects how quickly roadways can be cleared, and subsequently, could increase the crash risk of the general traveling public. However, many winter road maintenance agencies lack access to snowplow-specific training to reduce their risk of a crash. [...]

Affiche (pdf - 5.2Mo)

Présentation (pdf - 1.4Mo)

A "smart road" must use technological evolutions to improve and optimize maintenance activities and, in particular, the management of Winter activities. The efficient and effective management of Winter maintenance can only derive from information regarding current/future weather conditions and road surface conditions as well as from data regarding maintenance operations recorded by equipment in the [...]

Affiche (pdf - 5.4Mo)

In a research effort funded by Clear Roads Pooled Fund (www.clearroads.org), a guide, Evaluation of storm severity indices (SSI) and weather severity indices (WSI) variables, has been developed. While many agencies have sought for the development of a single WSI tool that can be applied universally, to the frustration of many state department of transportation (DOT) staff, a universal application [...]

Communication individuelle (pdf - 55Ko)

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Présentation (pdf - 1.1Mo)

Snow and ice removal is the top priority of winter maintenance management for the expressway. A scientific and sophisticated maintenance mechanism is an important guarantee for the smooth operation and traffic safety on the expressway in rain and snow weather . Firstly, the research progress and implementation status at home and abroad on maintenance management mechanism of highway snow and ice removal [...]

Communication individuelle (pdf - 1013Ko)

Affiche (pdf - 6.2Mo)

Présentation (pdf - 1.1Mo)

To prepare for the aging of snowplow truck operators, who are essential for snow and ice work on expressway, and for the shortage of workers due to the decline in the workforce, new operators need to be trained as soon as possible. A expressway snow removal operation consists of two or three snowplow trucks working in formation, operating snowplow trucks mounted on the front of the snowplow to remove [...]

Communication individuelle (pdf - 189Ko)

Affiche (pdf - 5.8Mo)

Données de voitures flottantes pour la surveillance du frottement routier - La perspective managériale de la recherche à la mise en œuvre contractuelle Ce document présentera le processus et les défis de la mise en œuvre d'un système national de surveillance du frottement routier en utilisant les données des voitures flottantes connectées dans les contrats de maintenance en Suède. L'administration [...]

Communication individuelle (pdf - 468Ko)

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Présentation (pdf - 611Ko)

En 2019, une coopération franco-québécoise a été renouée afin de réaliser une étude comparative du fonctionnement du service hivernal, en axant les prospections sur 4 champs principaux: • Traitement et préhumidification ; • Route avec épandage de sel réduit ; • Mesure d’adhérence ; • Formation et documents de formation. Cette collaboration a été possible grâce à la Commission [...]

Communication individuelle (pdf - 79Ko)

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Présentation (pdf - 1.5Mo)

This study attempts to provide a deeper insight into the vehicle-specific desired speed (hereinafter speed) and lane utilization behaviors in cold region rural highways. The main study objective is to evaluate the suitability of a lane-based weather-responsive variable speed limit system for rural divided highways in extremely cold regions. The proposed methodology consists of two phases i.) a speed [...]

Communication individuelle (pdf - 65Ko)

Affiche (pdf - 5.9Mo)

The optimised storage of gritting material and process-optimised loading of winter service vehi-cles are of central importance for economical winter service in line with requirements. Based on the results of a research project, recommendations for the storage and loading of de-icing salt were compiled in a guideline, which also contains sample solutions for standardised storage var-iants and construction [...]

Communication individuelle (pdf - 8Ko)

Affiche (pdf - 5.3Mo)

Présentation (pdf - 3.8Mo)

Autovía de los Llanos, S.A. is the concession company awarded a public roadworks concession contract under the “shadow toll” modality. The contract was awarded in December 2007, so by the end of the congress in the year 2022, the contract will have been developed for 15 years in which winter maintenance management has been one of its main activities. This presentation revolves around three main [...]

Communication individuelle (pdf - 2.9Mo)

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Présentation (pdf - 6.2Mo)

The snow and cold storm began on January 7. The AEMET reported adverse meteorological phenomena of red level due to snowfall, activating severity level 2 of the PLATERCAM and Pre-emergency Situation by the Government Delegation of Madrid. The General Directorate of Roads undertakes the Winter Maintenance works in the network under its jurisdiction (2,570 km), within the Winter Inclement Plan. The [...]

Communication individuelle (pdf - 493Ko)

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Présentation (pdf - 1.1Mo)

This presentation proposal is based on the evolution of the procedures for the winter maintenance and their integration on two O&M performance based contracts, where the main task of the contractor is to ensure the correct operation of the roads’ network, ensuring the mobility of the road users, whilst performing the remaining Maintenance tasks. The integration of different and several smart systems [...]

Communication individuelle (pdf - 2.5Mo)

Le chemin de la résilience dans les opérations hivernales des réseaux routiers (Meilleures pratiques pour accroître la résilience dans les réseaux routiers) Le présent document abordera les éléments suivants : • État actuel de la pratique des opérations hivernales dans le monde entier. Nous choisirons plusieurs pays et discuterons de ce qu’ils font actuellement pour garder leurs [...]

Communication individuelle (pdf - 1.1Mo)

Affiche (pdf - 5.1Mo)

Les véhicules à moteur et leurs remorques sont répartis en différentes catégories conformément à la législation européenne. En France, l’ensemble des règles attachées à la circulation des véhicules sur le domaine routier sont consignées dans le code de la route. Outre les règles générales, chaque catégorie de véhicule se voit imposer des prescriptions particulières, notamment [...]

Communication individuelle (pdf - 129Ko)

Tous les ans en République slovaque l'exécution de l'entretien hivernal absorbe une partie importante du budget des gestionnaires du réseau routier. Le service hivernal assuré par les gestionnaires du réseau routier régional représente une part importante du service hivernal national. Cette communication se focalise sur la région autonome de Prešov où la réalisation de l'entretien hivernal [...]

Communication individuelle (pdf - 85Ko)

Présentation (pdf - 1.5Mo)

The Balkan region has gone through a tough period within last 30 years. Serbia and Montenegro stay still outside the EU, nevertheless road systems are developing here, too. This also applies to winter service organisation, which is specific in some ways. The countries’ weather is affected both by cold air masses of Siberian origin as well as by warm air masses from the Mediterranean Sea or even [...]

Communication individuelle (pdf - 1.4Mo)

Affiche (pdf - 5.4Mo)

Présentation (pdf - 3.8Mo)

Les fondants routiers, en particulier le chlorure de sodium, sont la réponse la plus courante pour faire face aux dégradations des niveaux de service des routes en période hivernale. Ces fondants sont répandus sur la chaussée, transitent dans l'environnement et ont un impact écologique. Ils sont en partie absorbés par la végétation, ont un impact sur les organismes vivants dans les cours [...]

Communication individuelle (pdf - 95Ko)

Affiche (pdf - 5.2Mo)

Présentation (pdf - 3.3Mo)

Within Argentina’s National Network of Roads, Region I (South) comprising the provinces of Chubut, Neuquén, Río Negro, La Pampa, Santa Cruz and Tierra del Fuego involves almost the totality of winter service (83%). A considerable part of this was originally implemented by Transfer of Operational Functions (TOF) and is currently provided through Interadministrative Agreements (IA). They consist [...]

Communication individuelle (pdf - 208Ko)

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Présentation (pdf - 1.9Mo)

Intervenir en service hivernal est un exercice relativement complexe puisque les situations sont diverses. Les enjeux varient en fonction des réseaux, des jours de la semaine ou encore de l’hiver. Tout ceci dans un contexte où la préservation de l’environnement et des ressources financières sont recherchées. Pendant longtemps la stratégie consistait à traiter plus en pensant traiter mieux. [...]

Communication individuelle (pdf - 649Ko)

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Présentation (pdf - 847Ko)

Valise pédagogique pour les formations des personnels en viabilité hivernale L. Michel – R.Reiff – L.Peiffer – M.Perron – D.Giloppe – A.Marteau – JF.Vargas – A.Bazile – B.Saintot L’activité de formation est une part importante des actions menées par les gestionnaires routiers en période de préparation de la saison hivernale. En France, le Cerema (Centre d'études et d'expertise [...]

Communication individuelle (pdf - 720Ko)

Affiche (pdf - 5.4Mo)

Viabilis : une newsletter sur la viabilité hivernale C. Mege - R. Reiff Dans le cadre de l’animation de la communauté viabilité hivernale en France, le Cerema (Centre d'études et d'expertise sur les risques, l'environnement, la mobilité et l'aménagement) diffuse une newsletter, nommée « Viabilis », ouverte au public et ciblant notamment les acteurs de la viabilité hivernale. Cette animation [...]