Aemal J. Khattak Khattak, A., Rouphail, N., Monast, K., & Havel, J. (2004). Method for priority-ranking and expanding freeway service patrols. In Freeway operations and traffic signal systems, 2004 (pp. 1–10). Washington, DC: Transportation Research Board, National Academy of Sciences. Karimi, H. A., Khattak, A. J., & Hummer, J. E. (2000). Evaluation of mobile mapping systems for roadway data collection. Journal of Computing in Civil Engineering, 14(3), 168–173. https://doi.org/10.1061/(ASCE)0887-3801(2000)14:3(168) Krull, K. A., Khattak, A. J., & Council, F. M. (2000). Injury effects of rollovers and events sequence in single-vehicle crashes. In Highway and traffic safety: crash data, analysis tools, and statistical methods: Safety and human performance (pp. 46–54). Washington, DC: National Academy Press. Dai, X. L., Karimi, H. A., Khorram, S., Khattak, A. J., & Hummer, J. E. (1999). Roadway feature extraction and delineation fron high-resolution satellite imagery. EOM, (1999 May), 34–37. Karimi, H. A., Dai, X. L., Khattak, A. J., Khorram, S., & Hummer, J. E. (1999). Techniques for automated extraction of roadway inventory features from high-resolution satellite imagery. Geocarto International, 14(2), 5–16. https://doi.org/10.1080/10106049908542099 Accidents on secondary highways and counter-measures: phase I, final report. (1998). Raleigh, NC: Southeastern Transportation Center Consortium. Hummer, J. E., & Khattak, A. J. (1998). Analysis of major types of collisions on two-lane rural highways in North Carolina. 1998 Compendium of technical papers, Institute of Transportation Engineers, 68th annual meeting, Toronto, Ontario, August 12, (1998). Khattak, A. J., & Hummer, J. E. (1998). Analysis of run off the road collisions on two lane rural highways in North Carolina, USA. 1998 compendium of technical papers, Institute of Transportation Engineers, 68th Annual Meeting, Toronto, Ontario, August 1998, (1998 Aug.). Khattak, A. J. (1998). Comparative analysis of spatial knowledge and en route diversion behavior in Chicago and San Francisco: Implications for advanced traveler information systems. In Intelligent transportation systems advanced traveler information systems and safety research. Washington, D.C.: National Academy Press, 1998. (Transportation research record ; 1621) (pp. 27–35). Washington, DC: Transportation Research Board. Khattak, A. J., Karimi, H. A., Dai, X. L., & Hummer, J. E. (1998). High-resolution satellite imagery aids roadway data collection. Public Works, (1998 Nov.), 28–30. Karimi, H. A., Dai, X. L., Khatak, A. J., & Hummer, J. E. (1998). The emergence of high-resolution satellite digital imagery for acquisition roadway inventory features. Space Energy and Transportation, 3(1), 19–26. Hummer, J. E., Khattak, A., & Kantor, P. (1997). Collision factors and potential counter measures related to heavy trucks on two-lane roads. Proceedings, 1997 International Large Truck Safety Symposium, Knoxville, TN, October 27-29, (1997), 81–91.