Communication between people on the Héðinfjarðar-tunnel: Traffic and comparison with traffic forecast

A traffic forecast was made prior to the opening of the Héðinsfjörður-tunnels between the towns Siglufjörður and Ólafsfjörður in 2010. The forecast was based on a traffic survey where all traffic in the northern Tröllaskagi peninsula was stopped on a total four days in summer and winter. The forecas...

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Main Author: Heiðarsson, Jón Þorvaldur
Format: Article in Journal/Newspaper
Language:Icelandic
Published: Félagsfræðingafélag Íslands 2015
Subjects:
Online Access:https://ojs.hi.is/index.php/tf/article/view/3771
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author Heiðarsson, Jón Þorvaldur
author_facet Heiðarsson, Jón Þorvaldur
author_sort Heiðarsson, Jón Þorvaldur
collection University of Iceland: Peer Reviewed Journals
description A traffic forecast was made prior to the opening of the Héðinsfjörður-tunnels between the towns Siglufjörður and Ólafsfjörður in 2010. The forecast was based on a traffic survey where all traffic in the northern Tröllaskagi peninsula was stopped on a total four days in summer and winter. The forecast did not only involve total traffic but also predicted changes in interactions between towns after the tunnels. The same kind of traffic survey after the tunnels showed that the gravity model in it simplest form gave a good estimate of the total tunnel traffic. It did, however, not give good results regarding traffic between different towns. In that case the scaled gravity model gave a good estimate of the proportions of each leg of the total traffic. The scaling was based on traditions of communication continuing after the opening of the tunnels. For instance, there was a greater tradition for communcation between Siglufjörður and Ólafsfjörður before the tunnels than predicted by the gravity model. The scaled gravity model correctly assumed that such traditions would continue after the tunnels. Fyrir opnun Héðinsfjarðarganga milli Siglufjarðar og Ólafsfjarðar árið 2010 var gerð umferðarspá fyrir umferðina um þau. Spáin byggði á umferðarkönnun þar sem allir bílar á leið um norðanverðan Tröllaskaga voru stöðvaðir samtals fjóra daga að sumri og vetri. Spáin tók ekki einungis til heildarumferðar heldur var spáð fyrir um breytingar á samskiptum milli einstakra bæja eftir að göngin voru opnuð. Sambærileg umferðarkönnun eftir göng sýndi fram á að þyngdarlíkan (e. gravity model) í sinni einföldustu mynd spáði vel fyrir um heildarumferð um göngin. Þyngdarlíkanið eitt og sér gaf hins vegar ekki góða niðurstöðu um umferð milli einstakra bæja. Þar gaf skalað þyngdarlíkan gott mat á hlutdeild einstakra umferðarstrauma. Skalaða þyndarlíkanið reyndist hins vegar ekki gott til að spá fyrir um heildarumferð. Skölunin byggðist á því að gert var ráð fyrir að hefðir í samskiptum héldu sér eftir opnun ganganna. Sem dæmi mældist meiri ...
format Article in Journal/Newspaper
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geographic Fjallabyggð
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Ólafsfjörður
Siglufjörður
geographic_facet Fjallabyggð
Héðinsfjörður
Ólafsfjörður
Siglufjörður
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op_source The Icelandic Society; Vol. 6 No. 1 (2015): Issue of 2015; 97-114
Íslenska þjóðfélagið; Árg. 6 Nr. 1 (2015): Árshefti 2015; 97-114
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spelling fticelandunivojs:oai:ojs2.ejournals.is:article/3771 2025-06-08T14:06:07+00:00 Communication between people on the Héðinfjarðar-tunnel: Traffic and comparison with traffic forecast Samskipti fólks um Héðinsfjarðargöng: Umferð og samanburður við umferðarspá Heiðarsson, Jón Þorvaldur 2015-10-02 application/pdf https://ojs.hi.is/index.php/tf/article/view/3771 isl ice Félagsfræðingafélag Íslands https://ojs.hi.is/index.php/tf/article/view/3771/2352 https://ojs.hi.is/index.php/tf/article/view/3771 https://creativecommons.org/licenses/by-nc-sa/4.0 The Icelandic Society; Vol. 6 No. 1 (2015): Issue of 2015; 97-114 Íslenska þjóðfélagið; Árg. 6 Nr. 1 (2015): Árshefti 2015; 97-114 1670-8768 1670-875X Samskipti umferð þyngdarlíkan umferðarspá jarðgöng vegir vegstyttingar samgöngur Fjallabyggð Communication traffic gravity model traffic forecast traffic prediction tunnels roads shortcuttings transportation info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Ritrýnd grein 2015 fticelandunivojs 2025-05-12T03:03:31Z A traffic forecast was made prior to the opening of the Héðinsfjörður-tunnels between the towns Siglufjörður and Ólafsfjörður in 2010. The forecast was based on a traffic survey where all traffic in the northern Tröllaskagi peninsula was stopped on a total four days in summer and winter. The forecast did not only involve total traffic but also predicted changes in interactions between towns after the tunnels. The same kind of traffic survey after the tunnels showed that the gravity model in it simplest form gave a good estimate of the total tunnel traffic. It did, however, not give good results regarding traffic between different towns. In that case the scaled gravity model gave a good estimate of the proportions of each leg of the total traffic. The scaling was based on traditions of communication continuing after the opening of the tunnels. For instance, there was a greater tradition for communcation between Siglufjörður and Ólafsfjörður before the tunnels than predicted by the gravity model. The scaled gravity model correctly assumed that such traditions would continue after the tunnels. Fyrir opnun Héðinsfjarðarganga milli Siglufjarðar og Ólafsfjarðar árið 2010 var gerð umferðarspá fyrir umferðina um þau. Spáin byggði á umferðarkönnun þar sem allir bílar á leið um norðanverðan Tröllaskaga voru stöðvaðir samtals fjóra daga að sumri og vetri. Spáin tók ekki einungis til heildarumferðar heldur var spáð fyrir um breytingar á samskiptum milli einstakra bæja eftir að göngin voru opnuð. Sambærileg umferðarkönnun eftir göng sýndi fram á að þyngdarlíkan (e. gravity model) í sinni einföldustu mynd spáði vel fyrir um heildarumferð um göngin. Þyngdarlíkanið eitt og sér gaf hins vegar ekki góða niðurstöðu um umferð milli einstakra bæja. Þar gaf skalað þyngdarlíkan gott mat á hlutdeild einstakra umferðarstrauma. Skalaða þyndarlíkanið reyndist hins vegar ekki gott til að spá fyrir um heildarumferð. Skölunin byggðist á því að gert var ráð fyrir að hefðir í samskiptum héldu sér eftir opnun ganganna. Sem dæmi mældist meiri ... Article in Journal/Newspaper Ólafsfjörður Siglufjörður University of Iceland: Peer Reviewed Journals Fjallabyggð ENVELOPE(-18.782,-18.782,66.060,66.060) Héðinsfjörður ENVELOPE(-18.768,-18.768,66.149,66.149) Ólafsfjörður ENVELOPE(-18.644,-18.644,66.067,66.067) Siglufjörður ENVELOPE(-18.908,-18.908,66.152,66.152)
spellingShingle Samskipti
umferð
þyngdarlíkan
umferðarspá
jarðgöng
vegir
vegstyttingar
samgöngur
Fjallabyggð
Communication
traffic
gravity model
traffic forecast
traffic prediction
tunnels
roads
shortcuttings
transportation
Heiðarsson, Jón Þorvaldur
Communication between people on the Héðinfjarðar-tunnel: Traffic and comparison with traffic forecast
title Communication between people on the Héðinfjarðar-tunnel: Traffic and comparison with traffic forecast
title_full Communication between people on the Héðinfjarðar-tunnel: Traffic and comparison with traffic forecast
title_fullStr Communication between people on the Héðinfjarðar-tunnel: Traffic and comparison with traffic forecast
title_full_unstemmed Communication between people on the Héðinfjarðar-tunnel: Traffic and comparison with traffic forecast
title_short Communication between people on the Héðinfjarðar-tunnel: Traffic and comparison with traffic forecast
title_sort communication between people on the héðinfjarðar-tunnel: traffic and comparison with traffic forecast
topic Samskipti
umferð
þyngdarlíkan
umferðarspá
jarðgöng
vegir
vegstyttingar
samgöngur
Fjallabyggð
Communication
traffic
gravity model
traffic forecast
traffic prediction
tunnels
roads
shortcuttings
transportation
topic_facet Samskipti
umferð
þyngdarlíkan
umferðarspá
jarðgöng
vegir
vegstyttingar
samgöngur
Fjallabyggð
Communication
traffic
gravity model
traffic forecast
traffic prediction
tunnels
roads
shortcuttings
transportation
url https://ojs.hi.is/index.php/tf/article/view/3771