Hospital service areas. (IMAGE) University of Eastern Finland Caption Hospital Service Areas. Maximum patient travel time 10, 20 and 30 minutes and respective distances along the street and road network to the nearest hospital at the average speed of 20 km/h. (Service Area). Credit The Authors. Usage Restrictions Please mention the credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.