How does road weather information

support decision making in Estonia

Märt Puustmart.puust@teed.ee

20

2724

18 20

1016

22

31

23 25

915

1913

27 26 25

16

2926

14

34

7

16

25 2420

28

9

28

40

11

3126

38

9787 88 87

110

66

0

20

40

60

80

100

120

2013 2014 2015 2016 2017 2018

Freeze-thaw cycles in depth of 20 cm below surface(in pavement at Ussisoo, in the middle of Estonia)

suursoo vanaküla napsi keo korba nedrema ussisoo

- 16 609 km of state roads

- 17 maintenance contracts

- 9 maintenance companies

- 442 - 1439 km per contract

- 1005 €/km winter routine maintenance cost

Finland 1460 €, Sweden 1900 €, Latvia 1148 €

78 road weather stations

in ESTONIA, incl.

55 from Vaisala FIN

15 from Saab SWE

8 from Lufft GER

114 road cameras

-

- simultaneous forecast from 4 weather sources

- tool for quality control & verification

- measurements from National Weather Services & other countries (no borders)

- maintenance activities online

- warnings from different sources & feedback from road users (Waze)

Maintenance worksSalting

Blowing

salting & blowing

driving

Forecast verification

Live briefings with meteorologistsfor operators every evening

with possibility of re-viewing

Feedback from public through Waze

Storm Ciara weaker in Estonia

than expected

6 optical

road sensors on busses

balticroads.net

tarktee.ee (smartroad)

tik.teeilm.ee (roadweather)

Traffic Management Center

Road condition reports in public TV channel every morning based on tik.teeilm.ee web service

Still hope to see

some winter soon ..

mart.puust@teed.ee

+372 5135336

www.teed.ee