One moment the meter showed 16961 km of mileag-Riddle

Scientist Bhool Bhulaiya was driving to his out-of-town laboratory at a consistent speed (not faster than 90 km/h). At one moment the meter showed 16961 km of mileage. In exactly 2 hours the number on the meter once again showed a number that reads the same in both directions. At what speed (km/h) was Bhool bhulaiya driving?