TRB Pubsindex

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1991-09
1991-09
1991-09
1991-09
1991-08
1991-05
1991-04
1991-04
OPERATION AND MAINTENANCE OF TRANSPORTATION FACILITIES

Transportation Research Circular, Issue 368, 8 p.

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1991-04
FREEWAY GUIDE SIGN REPLACEMENT: POLICIES AND CRITERIA

NCHRP Synthesis of Highway Practice, Issue 155, 43 p.

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1991
Highway systems, human performance, and safety, 1991

Transportation Research Record, Issue 1318, vii + 146p

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1991
SAFETY IMPLICATIONS OF SEAT BELTS ON TRANSIT BUSES

Transportation Research Record, Issue 1322, p. 9-16

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