# intersection

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## intersection

Maths
a. a point or set of points common to two or more geometric configurations
b. the set of elements that are common to two sets
c. the operation that yields that set from a pair of given sets. Symbol: ∩, as in AB
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

## intersection

[‚in·tər′sek·shən]
(civil engineering)
A point of junction or crossing of two or more roadways.
A surveying method in which a plane table is used alternately at each end of a measured baseline.
(mathematics)
The point, or set of points, that is common to two or more geometric configurations.
For two sets, the set consisting of all elements common to both of the sets. Also known as meet.
For two fuzzy sets A and B, the fuzzy set whose membership function has a value at any element x that is the minimum of the values of the membership functions of A and B at x.
The intersection of two Boolean matrices A and B, with the same number of rows and columns, is the Boolean matrix whose element cij in row i and column j is the intersection of corresponding elements aij in A and bij in B.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

## intersection

i. A point where the centerlines of runways cross each other. See intersecting runways.
ii. A point defined by any combination of courses, radials, or bearings of two or more navigational aids.
iii. The point on the earth vertically above which the centerlines of airways cross.
iv. Used to describe the point where two runways, a runway and a taxiway, or two taxiways cross or meet.
References in periodicals archive ?
Phillips, "Operational and safety effects of U-turns at signalized intersections" Transportation Research Record, no.
However, we do not claim that the intersections included in this study or the orientation and mobility tasks we conducted at these intersections are comprehensive and exhaustive.
The signal coordination technique was applied at Abdara Chowk intersection and Iqra Chowk intersection for traffic from East Bound (Saddar) to West Bound (Hayatabad) direction.
Few would doubt that lighting roadway intersections has tangible benefits in terms of safety.
Securite des pietons en milieu urbain: enquete sur les amenagements routiers aux intersections. Montreal, QC: Agence de la sante et des services sociaux, direction de sante publique, 2013; 34 p.
Since [alpha] > 2 (Lemma 22), C is contained in the intersection of 2 integral cubic surfaces and so d [less than or equal to] 9, a contradiction.
It can be seen that the traffic flow between the intersections of the main trunk road is interrelated with each other, so we need to consider the calculation of the traffic flow.
Validating HCS and SIDRA Software for Estimating Delay at Signalized Intersections in Jordan.
This empirical Bayes evaluation encompasses a 10-year timeframe (2005 through 2014), with low-cost treatments at 84 signalized intersections and 434 stop-controlled intersections.
Mattar Al Tayer, director-general and chairman of the Board of Executive Directors of RTA, announced on Saturday that 50 per cent work on the development of Al Rashidiya-Casablanca Road intersections has been completed, while the Nad Al Hamar and Marrakech Road intersections are also 40 per cent ready.
Dubai's Airport Street Project covering Rashidiya and Casablanca intersections is almost 50% complete.

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