traffic control on ih 35 · –environmental mgmt. system (e.g., const. stage gate inspections)...
TRANSCRIPT
Traffic Control on IH 35
TxDOT Short Course October 16, 2012
Andy Petter, P.E. Interim District Engineer (Waco) Texas Department of Transportation
Gary Thomas, P.E. I-35 Mobility Coordinator Texas A&M Transportation Institute
I-35 Expansion Project
TxDOT is committed to finishing the widening of Main Street Texas
(I-35) to six lanes from San Antonio to
Hillsboro. San Antonio
Hillsboro
Highlights
• 45% of Texas population lives within 50 miles of I-35
• Over 30 million travelers per year use this corridor
• Approximately two-thirds travel through the corridor
• Over 1,000 businesses on these 96 miles
Highlights
• 14 segments/17 projects
• 55,000–111,000 vehicles/day
• 25–30% trucks
Total Cost Approx. $2.1B
Construction
Right-of-Way
Utilities$1.6B
$410M
$110M
Highlights
Completed
Nearly completed
Active
Starting soon
6B
6A
5C
5B
4
3C
3A2
3A1
2B
1C 1B
1A
3B
5A
Hill County Safety
Rest Areas
Bell County
Safety Rest Areas
BRB
• Complete: 1A, 3C, 6A, 6B
• Nearly complete: 5C
• Active today: 1B, 1C, 3A1, 3B, BRB, 5A, 5B Hill Co. safety rest areas
• Complete in early 2017
Loop 121 Interchange Belton
General Improvements
• 3 lanes in each direction on I-35
• Added I-35 crossings
• Added and relocated ramps
• 1-way continuous frontage roads
• U-turns at selected crossings
• Safety rest areas
• Technology/ITS
• Truck lane restrictions
• Aesthetics
• Green initiatives
Aesthetics
• Brazos River Bridges
Aesthetics
• Wall Murals
West
Abbott
Salado
Green Initiatives
• Air Quality – Night-time lane closures delays and emissions
– Warm-mix asphalt technologies to fuel and air quality
• Storm Water Pollution Prevention – Environmental mgmt. system (e.g., const. stage gate
inspections)
– Wetland preservation
• Habitat Protection – Salado Springs salamander
– Cliff and barn swallows’ nests under bridges
– Man-made bat houses (Salado Creek, Lampasas River)
Green Initiatives
• Recycling – Roadway base material, concrete
– Reclaimed asphalt pavement (RAP)
– Recycled asphalt shingles (RAS)
– Rubber for crash and guardrail systems
– Metal for signs, bridge girders, sign posts
• Sustainable Practices – Compost to reestablish vegetation fertilizer
– Solar panels to power irrigation systems + warning beacons
– Xeriscaping focused on native plants irrigation
FM 2837 Interchange Lorena
13
Impact
59
64 64
56
15
6
0
10
20
30
40
50
60
70
Today 2013 2014 2015 2016 2017
I-35 Miles Under Construction
Peak Construction: 2012 – 2014 64 miles
Reducing Impacts - Construction
• Lane closures limited to evenings – Sun 10:00pm - Mon 7:00am
– Mon - Fri, 7:00pm - 7:00am
• Lane rental fees
• Lane closure blackout dates
• Advance notifications
• 6-day work week
• Incentives for completing ahead of schedule
Reducing Impacts - Communication
• 80+ outreach efforts
• Business community meetings
• www.my35.org
• I-35 newsletter
• Lane closure notifications
• No surprises!
Work Zone Research
Traveler Information
Bluetooth sensors
Queue
Warning
System
Lane Closure
Notification System
End of Queue Warning Systems
• Automated monitoring near a work zone
• Warning of slow speeds
• Warning location of stop and go traffic
Lane Closure Notification System
• My35.org • E-mail • Twitter • Facebook • Lane Closure
Assessment
• DMS • HAR • End of Queue
Warning System • Travel Delay
Rules
Automatic
Manual
Estimating Construction Traffic Delay
• Use of TTI research to estimate delay, queue length and duration
Forecast of Future Conditions
• En-route via signage
• Pre-trip via My35.org, social media, email alerts
Current Travel
Time = 70
minutes
Lane
Closure
Anticipated Delay
t+70 = 25 minutes
2 5
Business 77 Interchange Lacy-Lakeview
Thank you