Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 3 · column 2 of 7 · from the scan, no model involved
determine the mass of metal going by. It uses batteries that last 30 days, but it is usually used for short term studies, Mr. Audette said. Getting 32 such devices and the necessary software wpuld cost $12,540. For 16 devices the cost would be $8,140 he estimated. Getting the data-requires that someone go get the device from the road, install a new battery and re-affix it. It uses a laptop computer and data management software.
The medium range device is also affixed to the road in the middle -of a lane. It is larger, about one foot long by six inches wide and a half inch thick, and uses a rechargeable battery that lasts 14 days per charge. It can record speeds in ranges and classify the type of vehicle into eight categories. This device also records road temperature and wet or dry conditions. It also uses a laptop computer and data management software, but the computer and software are more expensive. Mr. Audette estimated the cost for 32 such, devices at $36,676 and for 16 devices at $21,934.
At the high end are in-ground devices buried four inches deep just under one foot long. Those have batteries that last five years. They can also determine the speed and type of vehicle and measure road temperature and condition (wet or dry). Data are collected with wireless communication using a computer in a vehicle parked at\the edge of the road, and one of the county’s computers could be used for this. Getting 32 of these devices and software would cost $56,710, and 16 devices would cost
96.4%