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TUAS data collection: Corridor 1, E18 Finland Turku/Naantali – Helsinki - Vaalimaa [WP3 Technical solutions along the corridors: GoA 2020] Author: Harri Heikkinen, TUAS Published: March, 2020. Figure 1: [Intelligent traffic sign on E18 Turku-Helsinki. (Tieyhtiö ykköstie 2016.)] TUAS data collection: Corridor 1, E18 Finland Turku/Naantali – Helsinki - Vaalimaa WP3 Technical solutions along the corridors By Harri Heikkinen, TUAS Copyright: Reproduction of this publication in whole or in part must include the customary bibliographic citation, including author attribution, report title, etc. Cover photo: MML, Esri Finland Published by: Turku University of Applied Sciences The contents of this publication are the sole responsibility of BALTIC LOOP partnership and do not necessarily reflect the opinion of the European Union. Contents [WP3 Technical solutions along the corridors: GoA 2020] .......................................... 1 1. Introduction .......................................................................................................... 1 2. Corridor description and segments ...................................................................... 2 3. Data collection by type and source .................................................................... 11 4. Conclusions, analysis and recommendations of further research. ..................... 20 References ............................................................................................................ 22 WP3 Technical solutions along the 03/2020 corridors / GoA 2020 / TUAS data collection: Corridor 1, E18 Finland, Turku/Naantali – Helsinki - Vaalimaa TUAS data collection: Corridor 1, E18 Finland Turku/Naantali – Helsinki - Vaalimaa 1. Introduction This deliverable document is presenting background, sourcing and initial analysis of traffic data collection on European route E18 in Finland. Traffic data collection is an activity of Baltic Loop Project WP3, technical solutions along the corridors. Turku University of Applied Sciences (TUAS) is in the project partner organization in charge of data collection on E18 in Finland on the route Port of Turku / Port of Naantali (FIN) – Helsinki (FIN) – Vaalimaa (FIN/RUS border). As the roles, responses and Trans-European east-west traffic corridors in the Baltic Loop Project are decided, E18 route Örebro (SWE) – Stockholm / Kapellskär (SWE) - Port of Turku / Port of Naantali (FIN) – Helsinki (FIN) – Vaalimaa (FIN/RUS border) is the northernmost of three east-west corridors investigated in the project, and the route is numbered to be corridor 1 in the project coding and terminology. The purpose of traffic data collection is to find, combine and analyse traffic data on the corridors to further research in the project. One of the main objectives in the project is to define current state, objects to be improved and suggestions to development within traffic infrastructure, highway and junction capacity, travel time as well as its predictability and reliability, intelligent traffic solutions, traffic safety level and heavy cargo transport oriented services on the corridors. To achieve the objectives mentioned above, it´s necessary to collect and form the data with relevant indicators 1e www.balticloop.eu WP3 Technical solutions along the 03/2020 corridors / GoA 2020 / TUAS data collection: Corridor 1, E18 Finland, Turku/Naantali – Helsinki - Vaalimaa and qualitative comments and conclusion. The collected traffic data is also definitely usable in upcoming project activities (accessibility of ports, terminals, logistics centers in the hinterlands of E18 Finland route) managed by TUAS ja Åbo University (AU). The data is presented in the attached excel file “TUAS DATA COLLECTION” 2. Corridor description and segments Total length of European route E18 (corridor 1) in Finland on the route Port of Turku / Port of Naantali (FIN) – Helsinki (FIN) – Vaalimaa (FIN/RUS border) is 361 km. In the data collection activity, the route is divided into 13 segments by multiple quantitative and qualitative indicative criteria: Traffic infrastructure type and capacity, major cities, towns and junctions, traffic volume, risk of congestion and delays in the travel time. The reason to divide the route into the certain segments is, that the indicators mentioned above remarkably differ from each other between the segments – traffic flow throughout whole the corridor 1 is far from homogenous and even-distributed. The corridor segments with general introductory information and initial separation criteria are presented west to east in this document below and attached excel file and visualised in the map below. 2e www.balticloop.eu WP3 Technical solutions along the 03/2020 corridors / GoA 2020 / TUAS data collection: Corridor 1, E18 Finland, Turku/Naantali – Helsinki - Vaalimaa Figure 2. European route E18 (corridor 1) in Finland on the route Port of Turku / Port of Naantali (FIN) – Helsinki (FIN) – Vaalimaa segments in Finland visualised in a map. Segments 1 to 6 are presented as parts of corridor 1a) (Turku/Naantali – Helsinki Ring III) in the attached excel file. Segment 1a: Port of Turku – E18/E8 junction Raisio (9,2 km). The first 6 km of E18 traffic infrastructure from Port of Turku are urban streets. Majorly 2 lanes per direction, traffic signals. The last 3 km to the end of segment 1a is motorway, 2 lanes per direction. (National Land Survey of Finland 2020.) There is a shorter urban street network connection from Port of Turku to west end of Turku – Helsinki motorway via centrum of Turku. However, cargo traffic is guided by 3e www.balticloop.eu WP3 Technical solutions along the 03/2020 corridors / GoA 2020 / TUAS data collection: Corridor 1, E18 Finland, Turku/Naantali – Helsinki - Vaalimaa static traffic signs to use E18 Turku ringway to enter and exit Port of Turku. It´s forbidden to drive through centrum of Turku with semitrailer, full-trailer and multi-trailer vehicle combinations with total length > 15,0 m. (Traffic Management Finland 2020.) The segment is vulnerable to congestion and interference. There are regular daily traffic congestion (delays 10 to 15 min) in three sections: Streets close to Port of Turku Truck check-in and exit (around RO-PAX ferry departures and arrivals). Junction E8 / road 1851 in Turku Härkämäki (traffic signals) mon-fri 7:30 to 9:00 and 15:30 to 17:00. Junction E8 / E18 in Raisio (traffic signals, motorway exit traffic merging to urban traffic) mon-fri 7:30 to 9:00 and 15:30 to 17:00. (Traffic Management Finland 2020.) Segment 1b: Port of Naantali – E18 / E8 junction Raisio (10,3 km). Throughout segment 1b, major sections are urban streets and suburban roads, 1 to 2 lanes per directions. There are no interchange junctions on the segment, all the junctions are intersections with traffic signals or "yield" traffic signs. (National Land Survey of Finland 2020.) The segment is vulnerable to congestion and interference. All the traffic congestion is common mon-fri 7:30 to 9:00 and 15:30 to 17:00, with total delays of 10 to 15 mins. E18 / Road 185 intersection with "yield" traffic sign. E18 Raisio Town center, several traffic signals, insufficient traffic capacity of street. Junction E8 / E18 in Raisio (traffic signals, motorway exit traffic merging to urban traffic). (Traffic Management Finland 2020.) Segment 2: E18 / E8 junction Raisio – E18 / highway 10 junction Auranlaakso Kaarina (16,1 km). Start of the segment in Raisio with its infrastructure and vulnerability is presented in the previous chapter. 4e www.balticloop.eu WP3 Technical solutions along the 03/2020 corridors / GoA 2020 / TUAS data collection: Corridor 1, E18 Finland, Turku/Naantali – Helsinki - Vaalimaa East of Raisio centrum, the road infrastructure type is highway, two driving lanes per direction with interchange junctions. The driving directions are separated by central zone and railings. (National Land Survey of Finland 2020.) In the east end of the section, there are common moderate traffic congestions and queuing (delays 5 to 10 min) mon-fri 7:30 to 9:00 and 15:30 to 17:00. The reason to congestions in the east end (highway 10 junction is), that east of the junction separated driving directions with mid-railing will end and 2 lanes per direction will be merged into 1 lane per direction. (Traffic Management Finland 2020.) The bottleneck in the east end of segment 2 mentioned above is already started to be expanded. New improved highway with two driving lanes per direction, separated driving directions and interchanges are under construction, completed in 10/2021. Before the new highway is completed, regular congestions occur due to road construction with temporary traffic arrangements and decreased speed limits. In several junctions on the segment, the acceleration and exit lanes are too short with merging and exit traffic problems and queuing. Segment 3: E18 / highway 10 junction Auranlaakso Kaarina – E18 Turku Ringway / Helsinki motorway junction Kaarina East (8,5 km). Throughout the segment, new improved highway with two driving lanes per direction, separated driving directions and interchanges are under construction, completed in 10/2021. Before the new highway is completed, regular congestions occur due to road construction with temporary traffic arrangements and decreased speed limits. Segment 4: E18 Turku Ringway / Helsinki motorway junction Kaarina East – E18 / Highway 2 junction Vihti Palojärvi (113,0 km). This segment is a long rural motorway segment between Turku and Helsinki. There are two driving lanes per direction throughout