KANSASKANSASDepartment of Department of

TransportationTransportation

Developments and Initiatives Affecting Winter Maintenance

Kansas DOTKansas DOT

Center line Center line miles:miles:

9,564.99,564.9

Lane miles:Lane miles:

20,968.420,968.4

Kansas DOT Winter Kansas DOT Winter EquipmentEquipment

Single Axle Dump Trucks Single Axle Dump Trucks 1717

Tandem Dump TrucksTandem Dump Trucks 577577

Liquid Chemical Spreaders Liquid Chemical Spreaders 144144

Pre-Wetting Tanks Pre-Wetting Tanks 594594

Wing Plows on TrucksWing Plows on Trucks 178178

Underbody Plows on Trucks Underbody Plows on Trucks 22

Salt Brine Makers Salt Brine Makers 117117

0

1,000,000

2,000,000

3,000,000

4,000,000

5,000,000

6,000,000

7,000,000

8,000,000

9,000,000

10,000,000

F Y 2004 F Y 2005 F Y 2006 F Y 2007 F Y 2008 5 Y earAverage

LAB OR

E QUIP ME NT

MATE R IALS

C ONTR AC T S E R V IC E S

Kansas RWISKansas RWIS

42 sites statewide – KDOT42 sites statewide – KDOT 53 sites non-KDOT – KTA, cities, 53 sites non-KDOT – KTA, cities,

countiescounties

All RWIS stations are Surface All RWIS stations are Surface Systems, Inc.Systems, Inc.

KDOT full time employee for RWIS KDOT full time employee for RWIS maintenance/repairmaintenance/repair

KanRoad Road ConditionKanRoad Road Condition Reporting System Reporting System

System Allows Real-time Data System Allows Real-time Data InputInput

Camera views added in 2008Camera views added in 2008

Feeds Winter Performance Feeds Winter Performance Measure DatabaseMeasure Database

Winter IndexWinter Index

Objective indication of winter Objective indication of winter severityseverity

Formula parameters:Formula parameters: Nov 1st to March 31stNov 1st to March 31st air temperature (min. and max.)air temperature (min. and max.) snowfall amountssnowfall amounts number of air frostsnumber of air frosts temperature rangetemperature range

KANSAS

2000-2001 Winter Index

-10

-10

-10

-15

-15

-15

-5

-5

-5

0

0

-50 < Winter Index > +50

-5-10

-10

All Districts by Winter Index

10%20%30%40%50%60%70%80%90%

100%

03 06 02 01 05 04

District

% L

OS

Met

-18.00

-14.00

-10.00

-6.00

-2.00

2.00

6.00

Win

ter I

ndex

Category 1 LOS Category 2 LOS Category 3 LOS Winter Index

% LOS Met (from RCRS) with Winter Index Overlay

Salt Use Per Lane Mile and Winter IndexStatewide

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

96-97 97-98 98-99 99-00 00-01

-20

-16

-12

-8

-4

0

4

8

12

16

20

Salt Use Winter Index

Winter Index Proves Useful in “Equalizing” Other Comparisons

KDOT Maintenance Training KDOT Maintenance Training ExpoExpo

Annual 1-1/2 day Annual 1-1/2 day trainingtraining

Geared to the Geared to the Equipment Operator to Equipment Operator to provide the latest info. provide the latest info. in snow/icein snow/ice

Classroom sessions, Classroom sessions, vendor booths, tours, vendor booths, tours, demonstrationsdemonstrations

One-third KDOT (485) One-third KDOT (485) maintenance employeesmaintenance employees

APWA attendees (100)APWA attendees (100) Held in Salina, Kansas - Held in Salina, Kansas -

you are all welcome to you are all welcome to attend!attend!

So What is New?So What is New?

KDOT RWIS is being KDOT RWIS is being expanded by 11 weather expanded by 11 weather stations without buying stations without buying any new equipment.any new equipment.

Reclassified Eq. Reclassified Eq. OperatorsOperators

(Creating Intermediate Step (Creating Intermediate Step Below Subarea Supervisor)Below Subarea Supervisor)

Gives Eq. Operators Improved Career Gives Eq. Operators Improved Career PathPath

Gives Eq. Operators Training IncentiveGives Eq. Operators Training Incentive

Allows KDOT to Define New QualificationsAllows KDOT to Define New Qualifications Gives KDOT Better Trained WorkforceGives KDOT Better Trained Workforce Gives KDOT Fully-Trained Supv. Back-up Gives KDOT Fully-Trained Supv. Back-up

Deployed AI/RWIS Deployed AI/RWIS Computer-based Computer-based

TrainingTraining

511 System511 System System Set Up Also for Non-Traveler UseSystem Set Up Also for Non-Traveler Use

System Taps RWIS for Improved ForecastsSystem Taps RWIS for Improved Forecasts

System Taps RCRS for Automated, Real-System Taps RCRS for Automated, Real-Time Road Condition Data FeedTime Road Condition Data Feed

System Utilizes Voice Recognition System Utilizes Voice Recognition Software Software

Implemented “Meet YourImplemented “Meet Your Level of Service and Stop” Level of Service and Stop”

Implementing New Truck Implementing New Truck PlanPlan

1) Attempts to keep the 1) Attempts to keep the same number of trucks same number of trucks overall. overall.

2) Changes to a work-based 2) Changes to a work-based justification of equipment. justification of equipment.

Thank YouThank You