Connecting South Dakota and the Nation South Dakotas

Connecting South Dakota and the Nation South Dakota’s Weather-Responsive Regional Traveler Information System David Huft, SDDOT Research Program Manager Patrick Brueggeman, SDDOT ITS Engineer Greg Ostermeier, Iteris, Inc. Road Weather Management Virtual Meeting High Plains Regional Roundtable December 9, 2015

Where We Are Now— Traveler Information Media 2

Where We Are Now— Traveler Information Content 3 n Current road conditions n Forecast weather conditions n Camera images n Clear. Path 511 road alerts n Weather overlays n Severe weather alerts n Commercial Vehicle restrictions n Traffic Incidents n Congestion …on the State Highway Network

Where We Are Now— Maintenance Decision Support System (MDSS) n Predict weather and road n Recommend treatment conditions type, rate, timing n Track applied maintenance n Save material, fuel, labor n Consider available n Provide equal or better resources level of service Driving 4 Passing

Where We Are Now— Limitations n Road conditions reported by SDDOT maintenance staff, not 24/7 n Off-hours info can be outdated or misleading n Travel info does not use: – – MDSS road condition forecasts MDC observations ESS observations Some important NWS messages n Weather-related travel info does not get to DMS 5

MDSS-Based Threat Forecast 6

MDSS-Based Threat Forecasts n Can view base layer with threat forecast shown 7

Threat Text Description 24 Hour Threat Forecast (What is this? ) The following road condition threats are forecasted for 10 AM CST Sat through 10 AM CST Sun. Actual road conditions may vary from this forecast. Motorists are cautioned to be alert to changing conditions. 8 • from Junction South Dakota 47 North-Bowdle to Junction South Dakota 247 Roscoe • lightly icy road conditions possible between approximately 9 PM Sat and 7 AM Sun. • from Junction South Dakota 247 -Roscoe to Junction South Dakota 45 South. Ipswich • lightly slushy/icy road conditions possible between approximately 7 PM Sat and 9 AM Sun. • from Junction South Dakota 45 South-Ipswich to 7. 75 miles east of Junction South Dakota 45 North • snowy/slushy/icy road conditions possible between approximately 7 PM Sat and 6 AM Sun.

Ease of Use 9

Usefulness of Information 10

Impact on Driving Behavior 11

Questions? n Contact David L. Huft SDDOT Office of Research 700 East Broadway Pierre, SD 57501 -2586 Phone: 605. 773. 3358 Fax: 605. 773. 4713 dave. huft@state. sd. us n Contact Gregory M. Ostermeier Iteris, Inc. 4324 University Ave # B Grand Forks, ND 58203 Phone: 701. 792. 1865 Fax: 701. 792. 1831 grego@iteris. com http: //safetravelusa. com/sd 12 Thank You!!