Details:

Creators:
Refai, Hazem ; Othman, Ahmad ; Tafish, Hasan
Refai, Hazem ; Othman, Ahmad ; Tafish, Hasan Less -
Corporate Creators:
Oklahoma State University. School of Electrical and Computer Engineering
Corporate Contributors:
United States. Federal Highway Administration
Subject/TRT Terms:
[+]
Data Collection Data Quality Design Evaluation Heavy Duty Vehicles Installation Portable Equipment Weigh In Motion Scales
Publication/ Report Number:
FHWA-OK-14-07
Resource Type:
Tech Report
Geographical Coverage:
Oklahoma
Corporate Publisher:
Oklahoma. Dept. of Transportation. Planning and Research Division
Abstract:
Keeping Oklahoma’s roadways, highways, and bridges in good condition is necessary to our

state’s safety and to avoid expenditures in billions of dollars each year for road repairs and

replacement. According to a study done by state of Oregon in 2009, heavy vehicles account for

79% (or $60 million) of annual expenditures required for roadway repaving. Likewise, they were

also responsible for 66.8% (or $27 million) of pavement and shoulder reconstruction; 65.1% (or

$145 million) of pavement and shoulder rehabilitations; and 61.5% (or $140 million) of pavement

maintenance. To weigh traveling trucks, the state of Oklahoma has installed 20 permanent

Weigh-in-Motion (WIM) sites. Expanding site coverage to include additional roadways and

highways improves data accuracy; however, it requires significant roadside construction and

costly infrastructure support. This report presents deployment results of a novel portable WIM

system and compares captured data with that collected at a nearby permanent WIM system.

Design, development, and road-installation details of the heavy-vehicle centric, portable WIM

system are also provided. Outcomes demonstrate that the portable system maintains data

quality but for short intervals and provides a viable alternative to permanent systems at merely

10 percent of the cost. The portable WIM system uses off-the-shelf components and

commercially available WIM controllers. The WIM controller used was IRD iSINC Lite.

The fabricated portable system could be promoted as an alternative WIM monitoring solution to

permanent WIM systems and/or static scale stations, both of which are extremely expensive to

install on highways. The portable WIM uses RoadTrax BL piezoelectric class-1 sensors,

galvanized metal fixtures equipped with pocket tapes to house the sensors, and a trailer with

cabinet to house WIM electronics, batteries, and REECE device for real-time monitoring. The

system is solar powered with three 100-Watt panels, and it costs roughly $20,000.


Format:
PDF
Funding:
ODOT SP&R Item Number 2240
Collection(s):
US Transportation Collection
Main Document Checksum:
[+]
urn:sha256:897679ab4eb58667041531628c984cd8f760c3983e6a31377bc255a0ebad2bcb
Download URL:
https://rosap.ntl.bts.gov/view/dot/29121/dot_29121_DS1.pdf
File Type:

Supporting Files

• No Additional Files

More +