IP0209 - A new french technical guide: treatment strategies in winter maintenance (.pdf - 201KB)

Operating in winter service are relatively complex given the diversity of situations. The issues vary depending on the networks, the days of the week or winter rigorous. All this in a context where preservation of the environment and financial resources are required. For a long time, the strategy consisted in treating more with the idea of treating better. Preventive interventions seemed more difficult [...]

IP0252 - Assessment of Winter Maintenance Decision Support System Recommendations (.pdf - 569KB)

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 [...]

IP0075 - Comparative study of the operation of winter maintenance between France and Quebec (Canada) (.pdf - 422KB)

In 2019, France-Québec cooperation was renewed in order to conduct a comparative study of the operation of winter services, which focuses on four main fields: • Treatment and pre-wetting; • Road with reduced salt application; • Measurement of friction; • Training and training documents. That cooperation was made possible thanks to the Commission permanente de coopération Franco-Québécoise. [...]

IP0019 - CONTRACTING SYSTEMS OF WINTER SERVICE BY TRANSFER OF OPERATIONAL FUNCTIONS AGREEMENTS (TOF) - INTERADMINISTRATIVE AGREEMENTS (IA) AND SERVICE CONTRACTS (SC) (.pdf - 1.9MB)

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 [...]

IP0008 - Deicers flows reduction to aquatic environments: methodology for an adapted response to the territory (.pdf - 1.4MB)

De-icers (anti icer), especially sodium chloride, are the most common response to obtain adequate levels service of road in winter period. Those de-icers are spreaded in environment and have an ecological impact: they are absorbed by vegetation, have an impact on living organisms in watercourses and, once sedimented in soil can be found in the groundwater and water tables. An experimental mission [...]

IP0023 - Developing Comprehensive Defensive Driving Training for Snowplow Operators (.pdf - 353KB)

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. [...]

IP0194 - Development of a snow plow truck simulator that contributes to efficient and early skills acquisition for snow plow truck operators (.pdf - 1.0MB)

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 [...]

IP0127 - Development of Road Visibility Inspection System Using Driving Video Images Recorded by On-board Video Camera (.pdf - 1019KB)

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 [...]

IP0057 - Development of the winter road management support system (.pdf - 745KB)

?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 [...]

IP0035 - Elaboration of a pedagogical kit for training personnel in winter service (.pdf - 180KB)

Elaboration of a pedagogical kit for training personnel in winter service L. Michel – R.Reiff – L.Peiffer – M.Perron – D.Giloppe – A.Marteau – JF.Vargas – A.Bazile – B.Saintot Training activity is an important part of the actions carried out by road managers in preparation for the winter season. In France, Cerema (French Center for Studies and Expertise on Risk, Environment, Mobility [...]

IP0032 - Equipment used for winter maintenance – French specifications (.pdf - 621KB)

Motor vehicles and their trailers are divided into different categories according to European legislation. In France, all the rules relating to the circulation of vehicles on the roads are laid down in the highway code. In addition to the general rules, each category of vehicle has its own specific requirements, particularly in terms of weight, dimensions and traffic. During winter maintenance operations, [...]

IP0053 - Feasibility Study of Lane-Based Weather-Responsive Variable Speed Limit System for Rural Highways in Cold Regions (.pdf - 943KB)

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 [...]

IP0315 - Floating Car Data for Monitoring of Road Friction - The management perspective from research to contractual implementation (.pdf - 119KB)

Floating Car Data for Monitoring of Road Friction - The management perspective from research to contractual implementation This paper will present the process and the challenges to implement a national system for monitoring road friction using connected floating car data into maintenance contracts in Sweden. The Swedish Transport Administration (STA) have since 2017 an ongoing program to implement [...]

IP0257 - Improving winter resilience on UK Roads (.pdf - 152KB)

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 [...]

IP0229 - Integration of Smart Management System for Winter Maintenance in two O&M Performance Based Contracts (.pdf - 460KB)

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 [...]

IP0188 - Large Scale Winter Collision Estimation using Kriging with Network Distances (.pdf - 2.8MB)

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 [...]

IP0313 - New way of winter service organisation in Montenegro (.pdf - 2.7MB)

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 [...]

IP0146 - Optimising the severe weather planning process for Highways England’s strategic road network (.pdf - 818KB)

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 [...]

IP0052 - Pandemic Impacts on Winter Service Operations in Selected U.S. Agencies (.pdf - 109KB)

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 [...]

IP0132 - Performance of Winter Maintenance in the Conditions of the Regional Road Administrator (.pdf - 771KB)

Each year in the Slovak Republic, a significant portion of the budget of road network administrators is spent on winter maintenance. The work performed by regional road administrators is an important part of the national winter service. The paper is focused on the Prešov Self-governing Region, where the performance of winter service is provided by the Road Administration and Maintenance Office of [...]

IP0051 - Requirements for storage of gritting material for winter service (.pdf - 527KB)

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 [...]

IP0099 - Strategies for Developing An Efficient and Effective Winter Maintenance Operations (.pdf - 591KB)

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 [...]

IP0291 - Summary and Case Analysis on Maintenance Mechanism of Snow and Ice Removal for Expressway in Winter (.pdf - 519KB)

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 [...]

IP0348 - The Effect of Winter Maintenance Practices on the Life Cycle Cost of Paved Roads (.pdf - 1.1MB)

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 [...]

IP0325 - The Path to Resilience in the Winter Operations of Road Networks (.pdf - 2.6MB)

The Path to Resilience in the Winter Operations of Road Networks (Best Practices for Increasing Resilience in Road Networks) This paper will discuss the following: • Current state of the practice of Winter operations around the world. We will pick several countries and discuss what they currently do to address keeping their roads open during the winter season soon • Innovations • Strategies [...]

IP0033 - Viabilis : a newsletter on winter service (.pdf - 256KB)

Viabilis : a newsletter on winter service C. Mege - R. Reiff As part of the winter maintenance community in France, Cerema (French Center for Studies and Expertise on Risk, Environment, Mobility and Development) distributes a newsletter, called "Viabilis", open to the public and targeting winter maintenance stakeholders. This activity is organised during technical days and winter service clubs. [...]

IP0215 - Weather Severity Indices – The closest thing to a ‘how to’ guide (.pdf - 326KB)

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 [...]

IP0184 - WINTER MAINTENANCE 4.0 (.pdf - 818KB)

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 [...]

IP0299 - Winter Road Management during the "Filomena" Storm on the roads of the Community of Madrid (Spain) (January 7 to 18, 2021) (.pdf - 2.8MB)

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 [...]

IP0230 - WINTER ROAD MANAGEMENT IN A CONCESSION CONTRACT. PLANNING, COST-BENEFIT ANALYSIS AND PERFORMANCE MANAGEMENT DURING 15 YEARS OF CONTRACT. (.pdf - 1.9MB)

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 [...]

IP0310 - Winter roads: Relational model as a guarantee of winter maintenance management and road safety. (.pdf - 45KB)

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 [...]