In this paper,the commerce parking lots has been investigated in the basis of the traffic condition in Tangshan,analysed the model parking lots on the foundation of all parking quotas,pointed out the problem of parking and gave the rationalization suggestion.

The paper expounds the features of shopping center of downtown and traffic movement as well as the reason and the macro management measures of parking in shopping center of downtown.

Evaluation on the fire risk in the urban car parks;

This paper analyzes the main reasons of parking difficulty,puts forward the corresponding measures from aspects of increasing input of car park construction,setup car park within road rationally,perfecting manage-ment mechanism of car park,propagating transportation laws extensively,etc.

This paper introduces the method of deciding type,plan and design of car park which influence directly city static traffic,and puts forward a proposal that in the future more underground car parks will be constructed in the city.

The technical and economical performance of ductless inductive ventilation system and traditional ventilation system of the underground parking is compared in engineering examples.

Meanwhile,it also considers from the three aspects of parking,shopping area,leisure area,and puts forward some measures to optimize the design on the large integrated supermarkets,so as to make it meet the customers requirement,and also offer the users most convenient service.

A survey in terms of questionnaire was conducted on parking factors in Dongjiekou district of Fuzhou.