Mathematical Problems in Engineering

Mathematical Problems in Engineering / 2014 / Article
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Modeling and Simulation in Transportation Engineering 2014

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Research Article | Open Access

Volume 2014 |Article ID 815963 | https://doi.org/10.1155/2014/815963

Lishan Sun, Liya Yao, Shuwei Wang, Jing Qiao, Jian Rong, "Properties Analysis on Travel Intensity of Land Use Patterns", Mathematical Problems in Engineering, vol. 2014, Article ID 815963, 7 pages, 2014. https://doi.org/10.1155/2014/815963

Properties Analysis on Travel Intensity of Land Use Patterns

Academic Editor: Wuhong Wang
Received03 Dec 2013
Revised19 Jan 2014
Accepted10 Feb 2014
Published13 Mar 2014

Abstract

Quantization of the relationship between travel intensity and land use patterns is still a critical problem in urban transportation planning. Achieved researches on land use patterns are restricted to macrodata such as population and area, which failed to provide detail travel information for transportation planners. There is still problem on how to reflect the relationship between transport and land use accurately. This paper presents a study that is reflective of such an effort. A data extraction method is developed to get the travel origin and destination (OD) between traffic zones based on the mobile data of 100,000 residents in Beijing. Then Point of Interests (POIs) data in typical traffic zones was analyzed combined with construction area investigation. Based on the analysis of travel OD and POI data, the average travel intensity of each land use pattern is quantified. Research results could provide a quantitative basis for the optimization of urban transportation planning.

1. Introduction

Due to the accelerating of urbanization, major cities in China were gradually forced to carry out high-density land development. However, excessive land development has led to rapid growth of traffic demand and aggravates the traffic congestion, air pollution, and so on.

The correlation issues between land use and travel intensity were firstly put forward by Knight [1] in 1977. Since then, a large number of scholars have conducted researches on the interaction between land use and travel behavior [27]. Susan [8] and Pauline et al. [9] analyzed the impact of land use on the characteristics of the trips. They pointed out that with the increasing of land use density, the number of travel would decrease. Hanssen [10] proved that land use has a profound effect on travel behavior. Silva and Luis [11] established a model to unravel the influence of land use on travel behavior. Olle et al. [12] presented a preliminary research on travel behavior analysis through mobile data.

Application of mobile data to analyze the travel characteristics has become increasingly popular in recent years, particularly since 2007. Caceres et al. [13] derived the origin-destination data from mobile data. Bar-Gera [14] evaluated a cellular phone-based system for measurements of traffic speeds and travel times in Isral. Asakura and Iryo [15] analyzed the tourist behavior based on the mobile data. In Herring and his colleagues’ research [16] in 2009, the mobile data were used to forecast arterial traffic through statistical learning. On this basis, other scholars have done a lot of research to expand mobile data application and travel behavior [1722]. As one of the key area within transportation planning, research on land use properties of transport unfortunately just attracted little attention in the application of mobile data. Such applications are urgently required in urban planning of China, as most of the cities will face more and more serious traffic congestion problems generated by crowded and disordered traffic in the coming challenge years.

With the analysis and brief history above as a backdrop, it is clear that there is a close relationship between the land use and travel behavior. However, the analytic accuracy of land’s traffic properties is rather low and there are difficulties in the residents’ travel data acquisition. This paper describes an information technology-based procedure for analysis the traffic properties of land use. The remainder of the paper is structured as follows. Section 2 introduces the travel OD calculation based on the mobile data. Section 3 presents the analysis of land use based on the POIs (Point of Interests). Travel intensity calculation is presented in Section 4, followed by the conclusions presented in Section 5.

2. Travel OD Calculation Based on the Mobile Data

In this section, the travel OD was calculated based on 100,000 residents’ mobile data of Beijing. The main steps include preprocessor of mobile data, extraction of residents’ trip chain, extraction of travel OD, and sampling expansion of travel OD.

2.1. Sampling Expansion of Travel OD

In this paper, nearly 100,000 mobile users’ data is extracted from Beijing Mobile. As of 2013, there are more than 31 million mobile users in Beijing, in which 72.84% belong to Beijing Mobile. The sampling expansion of travel OD coefficient should be calculated as 31000000 × 72.84%/100000 = 225.804. According to the expansion coefficient, the total travel amount should be 29,786,700, which is in line with the travel amount from Beijing Municipal Traffic Annual Report.

2.2. Preprocessor of Mobile Data

(a) Data Separation and Deduplication. In order to improve the validity and precision of the data, irrelevant data should be eliminated in the pretreatment stage. Generally, irrelevant data include the null value data as well as the duplicate data.

(b) Construction of Database. In order to handle the huge amount of mobile data, an appropriative database which can improve the management capability of a variety of data sources was built up. As the foundation for the following data analysis, the processed data was written to the database above, as shown in Figure 1.

(c) Mobile Data Reclassification and Sorting. After the data base construction, the mobile data of 7 days were classified into individuals, and then sorted in the ascending order of time.

2.3. Extracting Residents’ Trip Chain

The trip chain data means a collection of the residents travel stops on the track in the day time. Mobile data could assist in obtaining the data of residents travel through the steps as follows.

(a) Discriminating Stagnation Point. Calculate the residence time in each cell , and set the time threshold ( minutes, the longest bus waiting time, based on field survey). When the cell residence time is greater than , the stagnation point of the user is determined.

(b) Determining the Coverage of Base Station. The coordinates of the mobile phone base station in Beijing were obtained. On this basis, the coverage area of each mobile phone base station was determined through the principle of the Voronoi diagram. According to the coverage area of mobile phone base station and the coordinates of the point of interest, we are able to determine the affiliation of the various points of interest and mobile phone base stations.

(c) Discriminate the Home Location. The home location should be selected from the stagnation point of the user. The cross time , which is the stay period between home and stagnation point, was calculated. The user’s home position is determined when the crossover time is greater than the time threshold .

(d) Discrimination the Work Place Location. Similar to the method above, the workplace could also be identified from the stagnation point of the user. Regardless of the home location, the cross time , which is the stay period between work and stagnation point, was calculated. The user’s work position is determined when the crossover time is greater than the time threshold .

(e) Analysis Trip Purpose. On the basis of home and work location identification, the remaining stagnation points could be mainly classified into the user’s track sequence. And the trip purpose could be determined by the characteristic of interest points (culture and entertainment, live, shop, etc.), which is on the user’s track and show reasonable stay period.

2.4. Extraction of Travel OD

The travel OD could be obtained from residents’ day trip chain, which can be simplified to be expressed as Figure 2: A~F represent the traffic zones; a-b-c show a day trip chain of mobile phone user, in which a, b, and c are stagnation points, respectively.

The adjacent stagnation points which are sorted according to the time could be considered as the start and end of one trip. The traffic zone for each trip could be determined through the coordinates match between the stagnation point and the traffic zone. For example in Figure 2, a-b and b-c could be considered as two valid trips. And abelongs to zone A, b belongs to zone C, and c belongs to zone E. Thus, we can determine one increase in the volume of the traffic count between zone A and C and another increase between zone C and E.

3. Analysis of Land Use Based on the POIs

POI is a phrase from the internet map search engine, for example, Baidu, youdao, and so forth. Travelers can get a lot of POIs information related to their travel purpose through internet, as shown in Figure 3. In general, POI data includes four fields: name, category, longitude, and latitude. It can not only help determine trip purpose and nature of land use but also reflect distribution of population and level of economic development.

3.1. POI Extraction and Classification

POI data were extracted and divided according to the two types of major categories and subcategories, as shown in Table 1.


Major categoriesSubcategories

GuesthouseInns, chain inn, star hotels

DiningCasual dining, Chinese fast food, western-style fast food, Japan and Korea-style fast food, west restaurant, Chinese testaurant

LeisureLeisure square

CompaniesFinancial, transport, telecommunications company, culture media, utilities, press and publication, travel agencies, factories and mines, firm, insurance company, funeral and interment, securities companies, clothing and shoes, sports outdoor, training institution, research institutions

ShoppingElectronics, audio books, electronic digital, photographic equipment, mother and children, stationery, jewelry ornaments, clothing and shoes, sports outdoor, clock and optical instruments, shopping mall

EducationPreschool education, primary education, secondary education, higher education

Transport facilitiesCoach station, train station

Tourist attractionsHeritage, scenic area, memorial hall, church, amusement parks, park, museum of art

Living servicesClock and optical instruments, gift and flowers, supermarket, auto services, alcohol and tea, convenience, beauty salons, post office, ticket office, dry-cleaning, lottery distribution, pet, bank, photographic prints, pharmacy, clinic, emergency center, epidemic

LeisureStadiums, casino, KTV, massage parlors, cinema, fitness center, resort

MedicalGeneral hospital

Government organizationAll level of government, organs and units, political parties and organizations, institutional welfare, public security institution

Estate plotCell property

Public servicesLibrary, palace of culture, museum, science and technology museum

Combined with the “standard for classification of urban land” (GB50137-2011), the correspondence among the travel purpose, POI type, and land use type were descript as shown in Table 2.


Travel purposePOI typeLand use type

SchoolEducationA3 education and research
WorkCompaniesB2 commercial and business
ShoppingShoppingB1 wholesale and commercial
ResidentialEstate plotR residential
Personal affairMedicalA5 medical facilities
LeisureLeisureB3 recreation and sports
Tourist attractionsTourist attractionsA7 heritage
DiningDiningB13 restaurant

3.2. Construction Area of POI Investigation

Network inquiries, telephone interviews, and field inquiry were adopted in this research to obtain the average structural area for each type of land. 100 locations were selected from each type of land and the results are shown in Table 3 (education type as an example), Figures 4, 5, and 6.


POI nameLand use typeConstruction area (m2)

Dingfuzhuang Second Primary SchoolA31000.00
Wanquan Primary SchoolA31580.00
Beijing Cuigezhuang Primary schoolA31960.00
Beijing Paifang Primary schoolA32243.00
Seventh PrimaryA32350.00
Daxing District, Fifth SchoolA33795.00
Xizhong Street Primary SchoolA34034.00
Sigenbai Primary SchoolA34123.00
Laogucheng Primary SchoolA34180.00
Binhe Primary SchoolA34206.00
Taoranting Primary SchoolA34776.00
Nanhuzhongyuan Primary SchoolA35000.00

Since the selection of survey sites is random, it can be assumed that the scale of the construction area for the sample interest points and the overall points are independent and identically distributed. The average construction area for each kind of POIs is shown in Table 4.


Land use typeEducationMedicalTouristShopping

Average construction area3715399352181268282

Land use typeDiningBusinessLeisureResidents

Average construction area254177604478158104

4. Travel Intensity Calculation

In order to calculate the travel intensity of each type of POI, 26 typical zones (including all kinds of POIs) were selected from within the whole city of Beijing randomly, in which 14 zones are within the second ring road, 3 within second to the third ring road, 4 within the third to the fourth ring, and 5 within the fourth to the fifth ring. Total travel times were calculated through mobile data using the method in Section 2, as shown in Table 5.


Traffic zoneTravel TimesLocation

Donghuashi street17706Within ring road 2
Wangfujin18743Within ring road 2
Huafushangmao2463Within ring road 2
Kongmiao5972Within ring road 2
Workers Stadium15871Within ring road 2
Landianchang31684Within ring road 2
YongdingluxiliCommunity15539Within ring road 2
Qinfenghuajinyuan7729Within ring road 2
EnjiliCommunity5978Within ring road 2
ShuiqinmuhuayuanCommunity5210Within ring road 2
Houbajia2061Within ring road 2
JucaiBuilding5644Within ring road 2
Jianguoli11596Within ring road 2
Jiujumingyuan13993Within ring road 2
University of Finance and Economics44379Ring road 2-3
Sanlihesanqu40489Within ring road 2
Guomao center 14362Ring road 2-3
Cuiweidongli120347Ring road 3-4
Songjiazhuang64163Ring road 3-4
Songyudongli21176Ring road 3-4
Dinghuidongli13504Ring road 3-4
Nanyaodi22896Ring road 4-5
Kuifang12067Ring road 4-5
Hanzhuangzidongli18315Ring road 4-5
National Stadium32547Ring road 4-5
Wudaokou36895Ring road 4-5

The numbers of POIs in each of the 26 traffic zones were obtained as shown in Table 6.


Traffic zoneA3A5A7B1B13B2B3R

Nanyaodi01100541
Jialinhuayuan00000071
Kuifang12100601
Fanzhuangzidongli13000441
National Stadium25200651
Beijing University of Chemical Technology11100130
Qingyunbeili21000221
Cuiweidongli02000001
Songjiazhang23000431
Songyudongli12000201
Dinghuihuayuan11000540
Jindianhuayuan00000331
University of Finance and Economics01000401
Sanlihesanqu0400032
QiaoJianCommunity00000501
PanJiaYuanNanLiCommunity00000001
Wangfujin01000551
Kongmiao11300430
Xinjiekouxili12000500
Flats of huarong10004600
Wudaokou26500831
DonghuashiStreet20007901
huafushangmaodalou20001100
YangjiayuanCommunity 28204000
Tianshuiyuan02002221
Center of Guomao20132121

The construction area of different pattern land in traffic zones could be calculated according to the average construction area of each kind of POI in Table 5. Then the average travel intensity could be calculated through the formula as follow: where is trips per unit of land use pattern A3; is trips per unit of land use pattern A5; is trips per unit of land use pattern B1; is trips per unit of land use pattern A7; : Trips per unit of land use pattern B13; is trips per unit of land use pattern B2; is trips per unit of land use pattern B3; is trips per unit of land use pattern R; ,  ,  ,  ,  ,  ,  ,  and   are construction area of corresponding land use patterns in traffic zone ; is total trips of traffic zone .

The calculated travel intensity of each land use pattern is shown in Table 7.


Land use patternA3A5B1A7B13B2B3R

Travel intensity0.21540.06260.13750.114217.11810.29270.40190.0494

5. Conclusions

As big data era approaching, the usefulness of POI data in transportation research has become more and more clear. This paper presents a research method of analyzing the relationship between travel demand and land use based on information technology. The residents’ day trip chains based on mobile data were collected, and the land use characteristics were quantitative analyzed through POI data. Then the travel intensity of each type of land use patterns was obtained through the travel OD and land use characteristics, which may provide a quantitative basis for urban planner and traffic managers. Research method opens a new way of studying the relationship between urban planning and transportation, and the findings could be used as the foundation for land use decisions.

Conflict of Interests

The authors declare that there is no conflict of interests regarding the publication of this paper.

Acknowledgments

The authors wish to acknowledge the financial support for this study provided by the National Natural Science Foundation of China (nos. 51308017, 51108028), the Beijing Municipal Natural Science Foundation (no. 8122009), Beijing Nova Program, and 973 Program (no. 2012CB725403).

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Copyright © 2014 Lishan Sun et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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