How reliable is Idris?

The enormous and growing success of Idris is, in part, due to its proven reliability and low maintenance requirement. Many years of experience have shown, when installed correctly, Idris is extremely robust and requires the minimum of attention.

One of the first Open Road Tolling sites installed in 1999 in Delaware, USA is producing the same level of accuracy today as it did when first installed, without having been touched.

Better than 99.99% count accuracy in free flow traffic

Better than 99.7% count accuracy in congestion

Better than 99.7% axle class accuracy in express lane tolling

Trigger for enforcement camera, +/- 30 cms (1 foot) from nominated trigger point

The Idris® Advantage

Feature	Benefit
Superior Accuracy	Improved data
Counts accurately	Volume
Classifies accurately	Accurately separates in stationary traffic
Measures accurately	Speed & Length
Loop based	Mechanically reliable / No weather limitations
Single sensor technology	Less infrastructure / Lower cost
Single or multilane system	Flexibility
High speed communications	Convenience / Reliability
Detects axles from profile	Discriminates raised axles
Pinpoints vehicle position	Identifies lane straddling
Dynamic signal processing	Not reliant on templates / matching
Works in all traffic conditions	Continues to work in congestion
Flexible class tree	Customised class tree

The Idris Technology is protected by one or more of the following patents:
EP0879457, USA 6345228, 6483443 and 6337640
Patent Applications Pending in other Countries
Idris® is a registered trademark of Diamond Consulting Services Ltd.