1–20 of 26 hits
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    Evaluation of Dynamic Speed Display Signs (DSDS)

    E. R. Roxe / G. L. Ullman | NTIS | 2003

    Evaluating the Safety Risks of Active Night Work Zones

    G. L. Ullman / B. R. Ullman / M. D. Finley | NTIS | 2005

    Assessing the Safety Impacts of Active Night Work Zones in Texas

    G. L. Ullman / M. D. Finley / B. R. Ullman | NTIS | 2004

    Motorist Safety at Active Nighttime Work Zones in Texas

    G. L. Ullman / M. D. Finley / B. R. Ullman | NTIS | 2005

    Investigating Pedestrian Components in Temporary Traffic Control

    B. R. Ullman / M. A. Brewer / K. Fitzpatrick et al. | NTIS | 2008

    Guidelines for Response to Major Freeway Incidents: Response Manual

    W. R. McCasland / M. A. Ogden / J. M. Mounce et al. | NTIS | 1994

    Travel Impacts of Urban Freeway Reconstruction Projects in Texas

    R. A. Krammes / K. D. Tyer / G. L. Ullman et al. | NTIS | 1990

    Synthesis of Traffic Management Techniques for Major Urban Freeway Reconstruction

    G. L. Ullman / R. A. Krammes / C. L. Dudek | NTIS | 1989

    Traffic Safety Evaluation of Nighttime and Daytime Work Zones

    G. L. Ullman / M. D. Finley / J. E. Bryden et al. | NTIS | 2008