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Traffic Operations Division
TEMPORARY RUMBLE STRIPS
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Traffic Operations Division
TEMPORARY RUMBLE STRIPS
Table of Contents
3
4-5 What are Temporary Rumble Strips?
Why are they needed?
TxDOT Standard WZ(RS)-12
1
2
3
6-10
11-16
What We’ve Learned 4 17-18
What are Temporary Rumble Strips?
4
What are Temporary Rumble Strips?
5
Creates similar effect as standard edge/center line rumble stripes – Driver will feel & hear the
bumps
Portable (no glue or nails)
Placed in accordance with TxDOT standard WZ(RS)-13
Currently only approved strip is RoadQuake 2 by Plastic Safety Systems, Inc.
Why are they needed?
6
Why is TxDOT now using
temporary rumble strips?
Why are they needed?
7
To ensure driver’s are aware of upcoming
work zones in order to protect the workers
and the driver
Why are they needed?
8
Distracted Visual Manual Cognitive
Why are they needed?
9
Why are they needed?
10
Adding to the list of methods used to warn and protect
TxDOT Standard WZ(RS)-12
11
TxDOT Standard WZ(RS)-12
12
Began with May 2013 Let
Construction & Maintenance project
TxDOT Standard WZ(RS)-12
13
Understanding the Terminology
WZ(RS-1b)-13 1 Complete Set = 4 Arrays = 12 Strips = 36 Units
TxDOT Standard WZ(RS)-12
14
When should a project use
temporary rumble strips?
TxDOT Standard WZ(RS)-12
15
One-Lane, Two Way
flagging** operation with a
posted speed of 70 MPH or
less
Lane closures** on a road
or highway with a posted
speed limit of 70 MPH or
less
**NOTE: Includes Portable
Traffic Signals & Automated
Flagging Devices
Current Requirement
When should a project use temporary rumble strips?
Freeways
Expressways
If the speed limit is greater
than 70 MPH
On a third lane if more than
one lane is closed
Currently Not Allowed
TxDOT Standard WZ(RS)-12
Potential Changes Under Review
Evaluating use on conventional highways of 75 MPH
Testing on Interstate 35 in Waco, TX
16
What We’ve Learned
Installation Issues
Must install properly to be effective and
remain in place
Potential Noise Complaints
Weight
17
What We’ve Learned
Do not place on:
Horizontal Curves
Fresh Seal Coat Jobs
Bleeding Asphalt
Soft Pavement
Heavily Rutted Roads
18
Any Name
Traffic Operations Division
TEMPORARY RUMBLE STRIPS
Some images used in this presentation are from http://www.plasticsafety.com
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