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1971
Operational improvements for freeways

Highway Research Record, Issue 363, 59p

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1971
Communications and emergency services

Highway Research Record, Issue 358, 49p

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1971
NORTHWAY EMERGENCY TELEPHONE SYSTEM

Highway Research Record, Issue 358, pp 48-49

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1971
USE OF AN EMERGENCY CALL-BOX SYSTEM ON AN URBAN FREEWAY

Highway Research Record, Issue 358, pp 1-7

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1971
RURAL FREEWAY EMERGENCY COMMUNICATIONS FOR STRANDED MOTORISTS: FINAL PHASE REPORT

Highway Research Record, Issue 358, pp 8-16

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1971
EVALUATION OF COMMERCIAL RADIO FOR REAL-TIME DRIVER COMMUNICATIONS ON URBAN FREEWAYS

Highway Research Record, Issue 358, pp 17-25

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1971
EVALUATION OF FREEWAY EMERGENCY SERVICE SYSTEMS USING A SIMULATION MODEL

Highway Research Record, Issue 358, pp 26-45

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1971
MOTORIST AID SYSTEMS

NCHRP Synthesis of Highway Practice, Issue 7, 28p

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1970
Freeway operations, surveillance and communications

Highway Research Record, Issue 303, 94p

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1970
STUDY OF RURAL FREEWAY EMERGENCY COMMUNICATIONS FOR STRANDED MOTORISTS

Highway Research Record, Issue 303, pp 74-88

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1970
RADIO SYSTEM CALLS "HELP" WITHOUT WIRES OR BATTERIES

Highway Research News, Issue 39, pp 35-37

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1969
Information Needs of Interstate Highway Motorists in Iowa

Highway Research Record, Issue 285, pp 92-103

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1969
THIRD GENERATION DESTINATION SIGNING: AN ELECTRONIC ROUTE GUIDANCE SYSTEM

Highway Research Record, Issue 265, pp 1-18

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1969
A DESIGN FOR AN EXPERIMENTAL ROUTE GUIDANCE SYSTEM

Highway Research Record, Issue 265, pp 50-61

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1968-10
SYMPOSIUM ON MOTORIST-AID SYSTEMS

Highway Research Circular, Issue 84

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1968
A Systems Analysis of Highway Communications

Highway Research Record, Issue 219, pp 20-24

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1968
Use of Surface Waves in Communication with High Speed Vehicles

Highway Research Record, Issue 219, pp 38-45

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1968
Communication in the Field of Urban Development Models

Highway Research Board Special Report, Issue 97, pp 239-250

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1968
Highway communications

Highway Research Record, Issue 219, 51p

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1968
SENSING AND COMMUNICATION BETWEEN VEHICLES

NCHRP Report, Issue 51, 105 p.

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1968
THE FEDERAL-STATE TELECOMMUNICATIONS ADVISORY COMMITTEE

Highway Research Record, Issue 219, pp 1-16

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1968
A REPORT ON THE NATIONAL CONFERENCE ON HIGHWAY COMMUNICATION FOR SERVICE AND SAFETY

Highway Research Record, Issue 219, pp 17-19

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1968
PULSE CODE MODULATION

Highway Research Record, Issue 219, pp 46-51

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1968
ELECTROMAGNETIC COMPATIBILITY-A NECESSITY FOR HIGHWAY COMMUNICATIONS

Highway Research Record, Issue 219, pp 25-29

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1968
COMMUNICATION REQUIREMENTS IN THE METHODOLOGY OF AUTOMATIC CONTROL OF HIGHWAY TRAFFIC

Highway Research Record, Issue 219, pp 30-37

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Showing 1251 - 1275 of 1289 records