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Krohnstieg Tunnel

Krohnstieg Tunnel

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Krohnstieg Tunnel

Recommended by 298 cyclists out of 352

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Location: Hamburg, Germany

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Top cycling routes to Krohnstieg Tunnel

4.6

(271)

1,157

riders

1. Rahweg pond – Groß Borstel Woodland loop from Schippelsweg

24.0km

01:29

50m

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

4.0

(55)

237

riders

2. Hayns Park Bridge – Alster Cycle Path loop from Barmbek

28.5km

01:45

90m

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

4.4

(16)

riders

3. Tarpenbek Trail – Along the Tarpenbek loop from Henstedt-Ulzburg

55.7km

03:37

140m

Intermediate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate

Tips

VeloLeo 🚲 📸

October 1, 2020

Nice asphalt and a great photo location!

Translated by Google •

JR56

January 17, 2021

The Krohnstiegtunnel is a road tunnel in the course of the federal highway 433 and the ring 3 under the runway 15/33 of the Hamburg airport.

By extending the airport runway across the state border to Schleswig-Holstein in the 1960s, the Garstedter Weg, the connection from Niendorf to Garstedt, was cut up. The Krohnstiegtunnel was built as a replacement. It also improved the road connections in the north of Hamburg. A new road, part of Ring 3, from the "Schnelsen-Nord" junction on the A 7, was built to the tunnel, which was extended on the eastern side to Langenhorn.

With the expansion of the airport from the 1990s and the construction of the Fuhlsbüttel bypass, the Krohnstiegtunnel was also expanded. To the north of the old road tunnel, a second open-cut tube was built between 1995 and 1998, so that two lanes are now available in each direction. The necessary demolition and reconstruction of the runway took place in just five months in order to impair flight operations as little as possible.

The original Krohnstiegtunnel consists of a 419-meter-long and ten-meter-wide two-lane tube for road traffic and a six-meter-wide tube adjoining it to the south for pedestrians and cyclists, the sole of which is slightly higher. The ramps on the sides are 415 meters long. With the completion of the second tube for road traffic in 1998, the tunnel got its present appearance.

The tunnel is a closed reinforced concrete frame. Like the entire airport area that belongs to Hamburg, it is located in the Fuhlsbüttel district. The western portal, however, is in Niendorf, the eastern one in the area of the city of Norderstedt.

de.wikipedia.org/wiki/Krohnstiegtunnel

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Jknord

January 17, 2021

The Krohnstiegtunnel connects Hamburg and the autobahn with Norderstedt, a separate tube has been created here for pedestrians and cyclists, compared to the outside temperatures, it actually always feels much colder here

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Elevation 10 m

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Friday 7 November

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Max wind speed: 6.0 km/h

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Location: Hamburg, Germany

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Krohnstieg Tunnel

1. Rahweg pond – Groß Borstel Woodland loop from Schippelsweg

2. Hayns Park Bridge – Alster Cycle Path loop from Barmbek

3. Tarpenbek Trail – Along the Tarpenbek loop from Henstedt-Ulzburg

Other Popular Places to Check Out

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