ID	Label	Most Active Citer
0	Cost overrun	Cantarelli, C.C. (2010) cost overruns in large-scale transportation infrastructure projects: explanations and their theoretical embeddedness
1	Quantitative spatial economics	Redding, S.J. (2017) quantitative spatial economics
2	Prioritizing highway defragmentation	Gurrutxaga, M. (2014) prioritizing highway defragmentation locations for restoring landscape connectivity.
3	Local development	Gutierrez, J. (2010) using accessibility indicators and gis to assess spatial spillovers of transport infrastructure investment.
4	Land value	Brey, R. (2017) is the widespread use of urban land for cycling promotion policies cost effective? A cost-benefit analysis of the case of seville.
5	Regional economic growth	Deng, T.T. (2013) impacts of transport infrastructure on productivity and economic growth: recent advances and research challenges.
6	New transport infrastructure	Ogilvie, D. (2010) commuting and health in cambridge: a study of a ‘natural experiment’ in the provision of new transport infrastructure.
7	Public-private partnership	Sarmento, J.M. (2016) anatomy of public-private partnerships: their creation, financing and renegotiations.
8	Infrastructure change region	Chen, C.L. (2017) can transport infrastructure change regions’ economic fortunes? Some evidence from Europe and China.
9	Recent laboratory research	Butler, E. (2011) a review of recent laboratory research and commercial developments in fast pyrolysis and upgrading.
10	Microbial engineering	Peralta-Yahya, P.P. (2012) microbial engineering for the production of advanced biofuels.
11	hiv-1 subtype	Tatem, A.J. (2012) spatial accessibility and the spread of hiv-1 subtypes and recombinants.
12	Industrial location	Arauzo-Carod, J.M. (2013) location determinants of new firms: does skill level of human capital really matter?
11	Developing-country analysis	Fare, R. (2009) optimal investment in transportation infrastructure when middlemen have market power: a developing-country analysis.
14	Urban growth	Aljoufie, M. (2013) urban growth and transport infrastructure interaction in jeddah between 1980 and 2007.
15	Road transport technologies	Streimikiene, D. (2013) comparative assessment of road transport technologies.
16	Peak travel	Garceau, T.J. (2014) peak travel and the decoupling of vehicle travel from the economy a synthesis of the literature.
17	Urban surrounding	Chatziioannou, I. (2017) evaluation of the urban transportation infrastructure and its urban surroundings in the iztapalapa county: a geotechnology approach about its management.
18	biomass-derived acid	Serrano-Ruiz, J.C. (2012) catalytic transformations of biomass-derived acids into advanced biofuels.
19	Transport infrastructure development	De Jong, M. (2012) the pros and cons of confucian values in transport infrastructure development in China.
20	transport infrastructure slope	Smethurst, J.A. (2017) current and future role of instrumentation and monitoring in the performance of transport infrastructure slopes.