There is heavy security around the three chariots and Grand Road, the sea beach, the railway station and the bus station.
Air surveillance and land and air patrolling will be intensified, KB Singh said.
The visitors would be informed from time to time about traffic management through social media and Puri police administration website, senior police officer Soumendra Priyadarshi said.
Police and other personnel have been deployed to guide the public.
Sri Jagannath Temple Administration has announced it will provide an accident insurance cover of Rs five lakh, effective from July 5 to 17, to each person taking part in the Rath Yatra.
Final touches are being given to the three chariots — Taladhwaja of Lord Balabhadra, Nandighosh of Lord Jagannath and Darpadalana of Devi Subhadra — which will be pulled to the Gundicha temple here on Wednesday.
The deities will be worshipped for seven days at the temple.
East Coast Railway will run special trains to clear the extra rush of passengers for the festival.
“Railways have planned to facilitate pilgrims with reserved ‘class accommodation,’ for the trains leaving from its jurisdiction towards Puri and vice versa, apart from the special trains from neighbouring states,” said a statement of the Railways.