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Mobility & Noise Protection South Germany

We develop optimal solutions for public and individual transport, the passenger and freight transport of the future and noise immission control. On site for you, also in Germany.

Transport planning also means examining issues relating to a wide range of transport modes and taking into account the economic, ecological, spatial planning and social impacts of transport.

We offer answers to questions in the development of overall traffic concepts, in the planning of traffic facilities and in the assessment / evaluation of variants and investment decisions.

Together with you, we develop noise protection concepts for traffic facilities, residential development, commercial and leisure facilities that satisfy all parties involved in the long term. Based on the EU Environmental Noise Directive and the Federal Immission Control Act, we also draw up noise action plans for local authorities in Germany and support them in their implementation.

Services

Municipal traffic planning

The development of traffic concepts is based on the expected future traffic demand and the existing infrastructure. Based on the identified conflicts and weak points in the current and future network, we develop targeted solution variants consisting of suitable organisational, operational and, if necessary, structural measures. Thanks to our extensive experience with common assessment methods and the involvement of spatial planners and urban planners, we guarantee an optimal coordination of settlement and traffic. Our knowledge and experience in the constructional and operational fields, combined with the possibilities of information technology (traffic models), are particularly valued in the field of overall traffic planning. 

Noise immission control

Increasing mobility and rising traffic volumes are set against a growing need of the population for peace and quiet and recreation. Noise protection is therefore an important task for planners, not only in densely populated regions. When planning new traffic routes, residential and commercial areas as well as sports and leisure facilities, noise is one of the issues with a particularly high potential for public conflict. Our team of noise planners and traffic experts investigates the noise sources and the uses requiring protection with software-supported tools and 3D models. From this, we develop suitable noise abatement measures and carry out the verifications required under planning law. Our portfolio also includes noise assessments and support for local authority noise action planning procedures. Together with you, we develop noise protection concepts that satisfy all parties involved in the long term.  

Noise action planning

Based on the EU Environmental Noise Directive and the Federal Immission Control Act, many municipalities in Germany are obliged to draw up a noise action plan. We provide technical and organisational support throughout the entire process, from the choice of procedure to the implementation of measures. Our experience ranges from simplified procedures according to a model plan to complex planning in inter-municipal cooperation.
Due to our early involvement in the tasks of noise abatement planning and the subsequent EU Environmental Noise Directive, we were significantly involved in the development of the guideline on noise action planning for Baden-Württemberg. The quality of our noise action plans is measured by the measures actually implemented and the resulting relief of citizens from traffic noise. Thanks to our well-founded planning, numerous traffic and road construction measures have already been implemented.

Traffic models

For several decades we have been operating traffic models as sustainable planning instruments for various regions. Our applications range from small-scale and short-term traffic management to overarching strategic long-term planning. For specific applications, we build new models on the required scale and with the accuracy appropriate to the problem. In order to ensure the derivation of realistic traffic models, we carry out traffic surveys if the database is insufficient. Depending on the project, we decide which modes of transport are to be taken into account in the modelling and which traffic model is therefore most suitable for the application.

Investor projects and development planning

Urban development plans can only be realised if the road network is capable of accommodating the resulting traffic. We support you in the preparation of the necessary traffic-engineering verifications and, together with cooperation partners, also carry out noise-engineering investigations. To ensure an up-to-date and precise data basis, we are also happy to organise, carry out and evaluate traffic counts. Depending on the issue at hand, we decide on the use of the various methods and techniques that are available to us on the basis of our broad experience. For example, we determine on a project-specific basis whether the proof of performance is provided through the use of empirical methods or through a microscopic traffic flow simulation.

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Contact us:

  • rt-wahl-wolfgang-2.jpg

    Wolfgang Wahl

    Head of Freiburg Site, Mobility and Logistics

    Contact Information
    • Email
    • +49 761 217 717 31
  • MOL-Lüthi Therese

    Therese Lüthi

    Traffic Planning Specialist, Southern Germany

    Contact Information
    • Email
    • +49 761 217 717 36
  • rt-Kontakt-schulz-carina

    Carina Schulz

    Noise Insulation Specialist, Southern Germany

    Contact Information
    • Email
    • +49 761 217 717 35

questions and answers on noise protection in mobility

What does noise protection mean in the context of mobility? 

 When it comes to the planning of roads, noise protection is an issue with great potential for conflict in the public eye. Noise pollution from road traffic is one of the most significant sources of environmental noise. That is why Rapp develops innovative and customized solutions for low-noise residential areas and natural areas.

 Cars, motorcycles, lorries, buses and other vehicles generate a considerable amount of noise in road traffic. Railways also cause high noise levels. People who are exposed to this high noise level over long periods of time suffer particularly from it. Traffic noise can have the following health consequences:  

  • Stress reactions
  • Sleep disorders
  • Impaired concentration and performance
  • Irritability, nervousness, tension 

 

In the long term, road noise can lead to hearing damage, cardiovascular diseases and anxiety disorders. Noise protection measures are therefore particularly necessary when roads run through congested areas. 

 After detailed analyses, the experts from Rapp propose suitable noise protection measures. Strategic noise maps and impact analyses help here. The consequences of building a road are determined and possible ways of minimizing them are examined for this purpose. Active measures such as noise barriers along with passive measures including structural alterations to buildings are possible. 

 

What legal requirements apply to noise protection? 

 When developing suitable noise protection measures, the experts at Rapp naturally take the legal requirements into account. The following standards and directives are particularly relevant:  

  • 16th Federal Immission Control Ordinance (BImSchV)
  • 18th BImSchV
  • DIN 18005
  • Technical Instructions on Noise Protection (TA Lärm)
  • Environmental Noise Directive 

 

DIN 18005 "Noise protection in urban development" specifies, for example, the noise levels that road traffic must not exceed. This stipulates that in purely residential areas, noise levels must not exceed 50 dB during the day and 40 or 35 dB at night. In parks and cemeteries, the volume must never exceed 55 dB. 

 The Technical Instructions on Noise Protection (TA Lärm) also specify limit values for noise generated by road traffic. Among other things, it also defines how it should be measured. 

 

What is the difference between active and passive noise protection? 

 A distinction is made between active and passive noise protection measures. The specialists at Rapp find the right individual solution on the basis of detailed analyses. 

 Active noise protection refers to measures that are installed directly at the source of the noise or along the propagation path. They serve to prevent or reduce the propagation of noise before it reaches residents or passers-by. Active noise protection is intended to reduce noise for all people and animals. Here are a few examples:  

  • Installation of noise barriers along roads or railway lines
  • Use of low-noise road surfaces
  • Enforcement of speed limits in the area concerned, e.g. 80 km/h on the motorway or 30 km/h in the city centre
  • Restriction of heavy goods traffic to certain times of day 

 

One far-reaching measure is the creation of bypass roads. This ensures that the traffic volume is better distributed, thereby also reducing noise levels. 

 Passive sound insulation measures are implemented on buildings or in rooms to prevent noise from entering from outside. Their task is therefore to block out the noise that is still present. Such measures have a selective effect. Examples include:  

  • Insulation of facades
  • Installation of soundproof windows and airtight doors
  • Installation of special ventilation systems that prevent noise from entering the house 

  

Does Rapp also support local authorities in noise action planning? 

 Needless to say, Rapp supports local authorities in noise action planning. Our experts provide various services in this area. They range from the creation of simple sample plans to complex procedures in inter-municipal co-operation.

 At our location in Freiburg in southern Germany, we develop customised measures that enable local authorities to reduce their traffic noise in an effective manner. We have implemented more than 50 noise action plans in all four administrative districts of Baden-Württemberg in Germany.

 One specific example of our noise protection services is the project that we have been supporting in the municipality of Baiersbronn since 2022. The municipality requested our expertise for its "Aue" development plan. New residential developments are to be realised, and a park-and-ride facility and a special area for events are also to be created.

 Our team was commissioned to prepare an acoustic expertise for the project and to make recommendations for measures. Above all, there was concern that the additional traffic caused by the park-and-ride facility would potentially generate a lot of noise – as would the fairground.

 It became apparent that the park-and-ride facility does not cause any significant noise pollution. Only a few buildings are affected by the additional traffic, but these can be protected with passive noise protection measures. Our team also determined that activities on the fairground could cause excessive noise levels at times. We suggested to the municipality that the loudspeakers be strategically positioned and the event times adjusted.

 

Which projects are particularly relevant for noise protection? 

 Noise protection plays an important role in infrastructure projects involving the construction of roads and/or railways. It also comes into play in urban developments such as building developments and subsequent compaction.

 However, noise protection applies not only to road traffic, but also to other sources of noise. These include leisure events such as concerts and sporting events as well as commercial noise. The combination of in-depth analyses, expertise and experience enables Rapp to find suitable noise protection measures for all situations.

Related area of activity

  • Building Physics and Acoustics

    Consideration of structural noise and heat insulation is an inherent part of designing a building, and something we include in every project.

    Read more
  • Environment

    Our experience ensures that environmental concerns are always taken into account in accordance with statutory regulations and ecological requirements.

    Read more
  • Mobility Services and New Mobility

    We lend a hand in the development, implementation and support of new mobility forms and alternatives.

    Read more
  • Traffic Planning

    Designing sustainable, economic, efficient and safe traffic systems for the future is a comprehensive responsibility for traffic planning that we are happy to take on.

    Read more

Contact us:

+41 58 595 77 77 info@rapp.ch

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