'superb trip' is grammatically correct and can be used in written English.
For example: I had a superb trip to Hawaii last summer; the beaches were stunning and the food was amazing!.
Gettysburg, 85 miles north of Washington and 200 miles southwest of New York, is a superb day trip; Dr. Latschar said the average visit lasted about eight hours.
And, since it's only a one hour and 20 minute train ride from Venice, it makes a superb day trip … or even an alternative (far less crowded!) base.
Kura Design Villas is an ultra stylish and sustainable rainforest retreat that's ideal for couples, while Lapa Rios is superb for family trips, with its generous offering of activities and excursions.
(I recommend George Prochnik's book "The Impossible Exile" for a superb and dramatic guided trip through Zweig's outer and inner worlds).
Superb on toast (assuming a trip to the toaster isn't too much effort).
Wisden commented: "Beyond everything else from the English point of view the feature of the trip was the superb batting of Hobbs, who easily adapted himself to the matting wickets and scored from the famous googly bowlers with amazing skill and facility.
His penalty save, after Zat Knight tripped Welbeck, was superb, diving to his right to claw away Rooney's firmly struck effort.
Best and worst away grounds Spurs is the best trip – old ground with superb sightlines and acoustics, and a happy hunting ground for Palace.
But by the end of the trip, the beautifully-restored carriages, superb cuisine, surprisingly unpretentious service and great scenery convinced me that it was.
