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CDOT Engineering Regions
4
6
5
1
2
3
CDOT Maintenance Sections
1
8
473
2 5
6
CDOT Roads State Highway System (as of 2006/2007)
Center-line miles 9,161Lane-miles 23,1063,775 BridgesVehicle-miles traveled 28.6 billionVehicle miles traveled (VMT) on all Colorado roads were 48.6billion; VMT on state highways accounts for 59% of this total.The interstate system accounts for 10% of the total statesystem mileage, yet 40% of all VMT takes place on theinterstate system.1,800 maintenance workers statewideCDOT has approximately 950 snowplows statewide. We also use
Loaders, Motor graders, Dozers, Helicopters and snow blowers to help combat snow.
MDSS PFS MDSS PFS –– EIGHT STATESEIGHT STATES
After the 2004/05 SeasonAfter the 2004/05 Season
I-70 Rifle to Glenwood Springs and Highway 82 from Glenwood Spring to Aspen
I-25 South of Denver on Monument Hill
For 2005/06 CDOT added one route on I-25 N. of Denver
2006/07 CDOT added more routes
Today, CDOT has routes in every region
Approximately 400 registered users for the GUI
MDSS interface
214 units equipped so far.
Plow Miles Comparison4,
400,
010
5,78
7,15
24,
552,
641
5,97
2,23
25,
448,
467
6,35
0,58
06,
202,
181
7,17
8,55
87,
221,
366
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
FY00 FY01 FY02 FY03 FY04 FY05 FY06 FY07 FY08
Plow Miles
“Winter” is defined in the model as Oct 15th thru May 8th each year so we are through the end of the defined winter period
Several sections with high country highways will still incur approx $860,000 in costs in May and June
Plow Miles by Maint SectionFY 2008
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
Aurora Pueblo Grand Jct Craig Greeley Durango Alamosa Denver
Maintenance Sections
Plow
Mile
sYTD Plow MilesAnnual Plow Miles (6 yr avg)
Overhead Loaded Cost Per Plow MileFY 2008
$12.27
$8.15$9.06
$6.89
$11.20$11.06
$8.59
$7.18
$0.00
$2.00
$4.00
$6.00
$8.00
$10.00
$12.00
$14.00
Aurora Pueblo Grand Jct Craig Greeley Durango Alamosa Denver
Maintenance Sections
Dol
lars
/ pl
ow m
ile
Salt and Sand Mix Usage
528,
580
536,
953
366,
837
425,
641
296,
426
261,
388
317,
041
213,
605
212,
071
225,
345
249,
322
0
100,000
200,000
300,000
400,000
500,000
600,000
FY97
FY98
FY00
FY01
FY02
FY03
FY04
FY05
FY06
FY07
FY08
FY 97FY 98FY 00FY 01FY 02FY 03FY 04FY 05FY 06FY 07FY 08
Snow Plowing, Sanding & Deicing51
,423
42,1
3040
,664
66,1
9952
,824 58,6
4154
,794 62
,974
64,7
28
0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
FY98
FY99
FY00
FY01
FY02
FY03
FY04
FY05
FY06
Labor Days
Cost Per Plow Mile4.
41.
494.
481.
764.
811.
655.
482.
175.
822.
575.
682.
675.
152.
185.
592.
525.
622.
376.
043.
647.
89.
57$0.00$1.00$2.00$3.00$4.00$5.00$6.00$7.00$8.00$9.00
$10.00
FY97
FY98
FY99
FY00
FY01
FY02
FY03
FY04
FY05
FY06
FY07
FY08
Total Cost Per LaneMileMaterial Cost PerLane Mile
Snow and Ice MPA 400 Totals$2
7,53
5,971
$37,
277,6
35$3
0,39
1,304
$34,
799,0
19$3
3,71
3,719
$39,
175,4
08$3
7,46
1,153
$55,
200,0
00$6
9,08
8,738
$0
$10,000,000
$20,000,000
$30,000,000
$40,000,000
$50,000,000
$60,000,000
$70,000,000
FY00
FY01
FY02
FY03
FY04
FY05
FY06
FY07
FY08 *
MPA 400Total Cost
$$ Materials Cost per Load $$Average cost quotes from statewide, cost will very around the state.
• $$$ - Sand/Salt @ $25.35 per ton– Single axle load @ 8 tons = $202.80
• $$$ - Mag Chloride @ $.62 cents per gallon– 1600 gallon mag tank = $992.00
• $$$ - Caliber 1000 @ $.76 cents per gallon– 1800 gallon tank = $1,368.00
• $$$ - Ice Slicer @ $102.88 per ton– Single axle load @ 10 tons = $1028.80
• $$$ - APEX @ $.72 per gallon– 1600 gallon tank= $1152.00
Sedimentation trap
After one season
Sedimentation build up
Sand Shed in Deer Trail
The goal- perfectly treated roads, providing safe travel and seamless corridors at the best cost
Benefits of utilizing an MDSS• Save time- allowing time for other activities• Less training time• Save material• Reduce materials going back into the environment• Reduce equipment time• Improve Safety• Improve LOS and have consistency between areas• Save money• Use as a training tool and debriefing tool• 24 hour support• In vehicle information makes your truck a tactical
operations weapon• The GUI is intuitive and user configurable
Challenges/Lessons Learned
• Training• Size of deployment• Set up • Training• AVL• Oversight• IT• Tracking
Future applications of MDSS &/or AVL
• Text alerts to cell phones, e-mail and PDA’s• Bridge de-icing systems• More RWIS sites• Near Real time traffic link to MDSS• MODSS- Other maintenance activities
– Weed spraying– Mowing operations– Surface treatment projects etc.
• ERP linked to the AVL- to populate work orders• AVL driven mapping and inventory• ? ? ? ? ?