Katika fani ya usafiri wa barabara, interchange ni makutano ya barabara ambayo yanatenganisha barabara kwa wimo tofauti ili kuruhusu magari ya upande mmoja kupita katika makutano ya barabara bila kukutana/kupishana njia na magari yanayotokea upande mwingine.
Kwa kifupi interchange inahusisha barabara moja au nyingine kupita juu ya nyingine katika mielekeo tofauti.
Kuna aina saba za interchange kutokana na mkao na mpishano wa barabara. Aina hizo ni kama ifuatavyo:
.1 Cloverleaf interchange.
2 Stack interchange.
3 Cloverstack interchange.
4 Turbine interchange.
5 Windmill interchange.
6 Other "windmill" interchange.
7 Roundabout interchange.
8 Hybrid four-way interchanges.
Hii ya kwetu pale Ubungo ni muunganiko wa Stack Interchange na Roundabout Interchange.
Hii ya kwetu inayojulikana kama Kijazi interchange kwa juu inaonekana kama hybrid lakini kwenye design ni muunganiko wa stack na roundabout.
Ni miongoni mwa design bora kabisa katika interchange.
Interchange yenye kimo kirefu zaidi duniani ipo Dallas Marekani ambayo barabara tano zinapishana kwa juu. Hii inajukana kama Dallas Fort Worth Metroplex..
Interchange maarufu barani Africa ni ile ya Mount Edge Combe mountain - South Africa ambayo ndio kubwa zaidi kwa Kusini mwa jangwa la Sahara, Kwame Nkurumah Circle Interchange pale Accra Ghana.
Kwa wasiojua tu, moja kati ya interchange ambayo timu ya Tanzania ilikwenda kuitembelea ni hii ya Kwame Nkurumah Circle pale Accra, Ghana.
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In the field of road transport, an interchange is a road junction that uses grade separation, and typically one or more ramps, to permit traffic on at least one highway to pass through the junction without interruption from other crossing traffic streams. Interchange is a grade-separated intersection(one road passes over another) with ramps to connect them.
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