the value of gis supporting our public schools
TRANSCRIPT
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The Value of GIS
Supporting our Public Schools
Derek Graham, Section Chief
Transportation Services
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Routing and Scheduling
School Buses
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A Bit of History
• Operations Research Program, NCSU
• Institute for Transportation Research and
Education (ITRE), NCSU
• State Energy Office
• Transportation Information
Management System
(TIMS)
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1990-1992 Required Implementation
§ 115C-240. Authority and duties of State
Board of Education….
(d) …The State Board shall also require
local boards to implement the Transportation
Information Management System or an
equivalent system approved by the State
Board of Education, no later than September
1, 1992.
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Digitizing 100 County Centerlines1985-1991
Pre-TIGER Sources: Paper DOT Maps; Paper
Municipal Maps; Charlotte DIME file; WCPSS GIS;
Riding roads/Manual address range entry
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Pen Plotters
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Original maps nearly all replaced
• TIGER files
• Local government GIS files
• ATTRIBUTES:
– Direction of Travel
– Average Speed
– Hazardous for Student Crossing
– “No Travel”
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The TIMS System
Student
DataTransportation
Data
Boundary
Planning Optimization
Reports and
Maps
Geocode
Data
Service
Indicators
TIMS
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Student Data from PowerSchool
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Reports
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Bus Routing Information
REPORT CODE: BUSRUN- 5 USER: DATE: 06-FEB-98
TIME: 08:56 am
PAGE: 1
Run: 324005 Route: 122 Description: MS BRYANT
Bus: 122 Route Description: MS BRYANT
Description Time Stpld
Runld Stop
School: WALLACE RO Check Point Record 7:14
0 CHK PT
Turn Right on HIGH SCHOOL RD 2535 1024
Turn Left on S US 117 HWY 1018 3628
Turn Right on E HALL ST 937 936
******** WARNING RRX - NO LIGHTS ********
Turn Left on S WEST RAILRO ST WA 2216 2207
730 S WEST RAILRO ST WA 7:23 1
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NCDOT Railroad Crossing Report
Red Triangles =
Private/Commercial Crossings
Green Circles = State Maintained
Crossings
Blue Squares = Bridge
Crossings
Railroads are added to TIMS as
non-travel streets
Railroad warnings can be placed
within driver directions
generated from TIMS and can
alert the driver to an upcoming
stop.
Load Counts used by NCDOT to
prioritize signal enhancements
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Bus Run Optimization
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Case Study – Charlotte/Meck
Bus Stop Consolidation
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Bus Routes
Before/After Stop Consolidation
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Improvement from Stop Consolidation
Comparison of Opening Day of School Assigned TIMS Data
2008-09 2009-10* Estimated Change
# Students Assigned to a Bus 112,000 111,000 (1,000)
# Total Bus Stops 37,000 26,000 (11,000)
# Total Bus Runs 5,652 5,292 (360)
# Total Routes or Buses 1,255 1,155 (100)
# Daily Miles 140,000 129,000 (11,000)
Average Walk Distance to Bus Stop
(miles) 0.07 0.12 0.05
*2009-10 Data are projections and subject to change as the year progresses
Numbers in ( ) are projected reductions; without ( ) represents an increase
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School Boundary Planning
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State Funding for School Transportation
• School district transportation funding
based in part on efficiency
• Efficiency:
– Cost per student
– Number of Buses Operated
• Leveling the Playing Field
– Distance of student residence to school
– Students per mile of roadway
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10,000
10,500
11,000
11,500
12,000
12,500
13,000
13,500
14,000
14,500
15,00019
74-7
5
19
76-7
7
19
78-7
9
19
80-8
1
19
82-8
3
19
84-8
5
19
86-8
7
19
88-8
9
19
90-9
1
19
92-9
3
19
94-9
5
19
96-9
7
19
98
-99
20
00-0
1
20
02-0
3
20
04-0
5
20
06-0
7
20
08-0
9
20
10-1
1
20
12
-13
Public Schools of North CarolinaNumber of Buses Operated
Trend Line
1980-1990
Buses Saved: 1482
Buses Saved: 892
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Other applications
• Service Indicators
• Local School District GPS / AVL
– Monitors the driver
– Defends the driver
• Stop Arm Violation Cameras
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Data for Growth Projections
• ITRE’s OR/ED lab studies the best
locations for future schools based on
projected growth
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School Assignment – balancing
equity based on median income
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Future Growth Maps – projecting
likely hotspots of student growth
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The Value of GIS
Supporting our Public Schools
Derek Graham, Section Chief
Transportation Services