Thailand is the 51st largest country in the world. With a population of around 66 million, it holds its position as 20th most populous country throughout the globe. The largest city Bangkok is the capital of Thailand with the population of over 8.5 million and more than 11 million are reported to live in the Bangkok Metropolitan Region. With the increase in urbanization and vehicle ownership, demand for automobile travel exceeds the provision for the roadway facilities result in extreme congestion in Bangkok area.
Reducing vehicle amount on roadway is the way to relieve the congestion problem. There are many methods to reduce traffic jam. The main considering ways are implementation of new roadways, implementation of public transportation and providing real-time traffic information by using Intelligent Transportation System or traffic related application. Focus on the reducing traffic congestion method related to Geographic Information System and Web GIS knowledge, there are many system and application already implemented. For example, Google Map provides the navigation and real-time congestion information, informing road user to select the better path for their trip.
The notions of maneuver Parking Space Detector system are that to provide information of available parking spots and navigate the user to nearest parking lots of their destination. As a result, this system indirectly reduce congestion by forcing vehicles to desired parking lots and preventing road users from spending times on roadways to find places to keep their vehicle. Moreover, this will be very helpful information for road users to locate available parking place, reserve the space, online payment for parking cost, inspect their vehicle, and help user to find the place they leave their car.