David M Litvin

COMPUTERIZED INVENTORY OF TRAFFIC SIGNS

Tapan K. Datta, David M Litvin, 1975 .

DEVELPOMENT OF TRANSIT DISTRICT BOUNDARIES FOR AN AREAWIDE SMALL BUS PROGRAM-ABRIDGEMENT

Tapan K Datta, David M Litvin, 1979 .

PROGRESSIVE SIGNAL SYSTEM IN A NETWORK OF ARTERIAL STREETS (ABRIDGMENT)

Tapan K Datta, William C. Taylor, David M Litvin, 1976 .

PROGRESSIVE SIGNAL SYSTEM IN NETWORK OF ARTERIAL STREETS USING "TRASOM"

Tapan K Datta, William C. Taylor, David M Litvin, 1979 .

AUTOMATED COLLISION DIAGRAMS

Tapan K Datta, David M Litvin, 1979 .