Post on 13-Aug-2020
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