Nearly fifty years later, reorganisation and an implied threat of potential competition on lucrative local routes in the Weymouth area by Barrys led to an agreement whereby the local Dorchester routes passed from Southern National to Barrys Coaches of Weymouth in 1982.   The fleet name of Interbus was chosen by Barrys for the new independent operation, which replaced National routes 455 and 456 (Dorchester town services) also route 459 (Dorchester-Wool Station -Bovington Camp). 

Some of the off peak  journeys on the erstwhile 459 between Wool and Dorchester were now to be provided by Dorset Queen Coaches of East Chaldon, whilst the hourly shuttle from Wool Station to Bovington Camp and the peak journeys running through from Wool  to Dorchester were provided by Interbus. 

Using principally three 1972 ex-Burnley and Pendle Seddon Pennine 46 seaters, working from the Barry's garage in Weymouth, the hourly operating pattern of the five radial arms of the Dorchester town services was reorganised.  On the country route to Bovington new links were introduced between Wool Station and Lulworth Cove - a section of route that had been unserved since 1971.  And we are still very much in Hardy Country - we have crossed Egdon Heath from Casterbridge to the locale of Tess of the d'Urbervilles.

These routes were operated by Interbus with full size single deckers from July 1982 and ran for five years until October 1987.  But following deregulation of buses in 1986, Southern National came back to Dorchester with a new minibus network in April 1987, and competed with Interbus.  There was insufficient traffic for two operators so Barrys took the decision to withdraw from Dorchester and concentrate on their contract and private hire operations in Weymouth.  But Southern National were not to have it all their own way for long as in January 1989 Bere Regis Coaches also started a Dorchester town service but with full size vehicles again.

Thomas Hardy, The Mayor of Casterbridge

As soon as they had wandered about they could see that the stockade of gnarled trees which framed in Casterbridge was itself an avenue, standing on a low green bank or escarpment, with a ditch yet visible without. Within the avenue and bank was a wall more or less discontinuous, and within the wall were packed the abodes of the burghers.

Though the two women did not know it these external features were but the ancient defences of the town, planted as a promenade.

The lamplights now glimmered through the engirdling trees, conveying a sense of great smugness and comfort inside, and rendering at the same time the unlighted country without strangely solitary and vacant in aspect, considering its nearness to life.

The difference between burgh and champaign was increased, too, by sounds which now reached them above others--the notes of a brass band. The travellers returned into the High Street, where there were timber houses with overhanging stories, whose small-paned lattices were screened by dimity curtains on a drawing- string, and under whose bargeboards old cobwebs waved in the breeze. There were houses of brick-nogging, which derived their chief support from those adjoining. There were slate roofs patched with tiles, and tile roofs patched with slate, with occasionally a roof of thatch.

The agricultural and pastoral character of the people upon whom the town depended for its existence was shown by the class of objects displayed in the shop windows. Scythes, reap-hooks, sheep-shears, bill-hooks, spades, mattocks, and hoes at the iron-monger's; bee-hives, butter-firkins, churns, milking stools and pails, hay-rakes, field-flagons, and seed-lips at the cooper's; cart-ropes and plough-harness at the saddler's; carts, wheel-barrows, and mill-gear at the wheelwright's and machinist's, horse-embrocations at the chemist's; at the glover's and leather-cutter's, hedging- gloves, thatchers' knee-caps, ploughmen's leggings, villagers' pattens and clogs.