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Lehrstuhl Gestaltung von Straßenverkehrsanlagen

„Design guidelines for motorways and for rural

roads in Germany”

Rural Roads Design meeting nr 5.

on April 3th to 4th 2014 in Kopenhagen

Univ.-Prof. Dr.-Ing. Christian Lippold

Dipl.-Ing. Anne Vetters

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Category groupmotorways rural roads

non built-up

main roads

access

roads

continental

long distance

overregional

regional

short distance

local

connection-function

LS III VS III

-0

I

II

III

IV

V

AS LS VS HS ES

- -

-

-

-

---

-

-

AS 0

AS I

AS II

LS IV

LS V

LS II

LS I

VS IV

VS II

HS III

HS IV ES IV

ES V

RAA RAL RASt

Road network - classification

built-up

main roads

3

4

Design class

Name „Planing speed“ Speed limit

EKA 1 A long distance

EKA 1 B overregional

EKA 2Similar

motorway

EKA 3 urban

Motorways - Design class and speed

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Four Lane Cross Section RQ 31,00

3,753,00

3,75

9,00

12,00

31,00

4,000,750,751,50

3,753,00

3,750,75 0,75 1,50

(c) 2003 TU Dresden

i.M. 8,50

14,50

18,00

RQ 36,00

4,00

4,00

4,00

4,00

24,00

Bestand

2. Bauphase

3. Bauphase

Endzustand

5,75

14,50

provisorisch

0,25 4,00

1. Bauphase

Using of hard shoulder for emergency use

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Safety barriers in the central reserve

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Road sections and roadnet

Planing section,f.e. bypass

Example „Blue roadnet“ Brandenburg

Abbildung: LS BB D-H 2010

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Design classes

Traffic guidancejunctions

Design class

EKL 2

EKL 3

EKL 4

Cross section / overtaking

Planing speed

( )

Operation mode

EKL 1

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Germany: Road-Types

standardised and recogniseable roads – road types

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less (few)

uniform

recognizable for the driver

differentiable for the driver between the typs

influence on driving behaviour

Design class EKL 1

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15

Test-road B 67 in NRW

beforeafter

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1616

EKL 2 Marking line - Test-road B 83

Ausnahme

Design class EKL 2

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Marking line (example Netherlands)

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VORHER NACHHER

Sections with overtaking lanes

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( )

( ) prüfen

Design Class EKL 3

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Design class EKL 3

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Design Class EKL 4

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Examples design class EKL 4 (Test roads)

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24

EKL 1

EKL 2

EKL 3

EKL 4

EKL 3 EKL 4EKL 1 EKL 2main

second

Combination of different design classes

(Quelle: Hartkopf 2007)

Next steps

Draft of new guidelines - to bring the ideas, the design

principles and the new marking on the existing roadnet with

a design standard lower than in the RAL.

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26

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Lehrstuhl Gestaltung von Straßenverkehrsanlagen

„Design guidelines for motorways and for rural

roads in Germany”

Rural Roads Design meeting nr 5.

on April 3th to 4th 2014 in Kopenhagen

Univ.-Prof. Dr.-Ing. Christian Lippold

Dipl.-Ing. Anne Vetters