Tri-Trac

Tri-Trac is a 1980 uncredited game, published at Milton Bradley.

The game is played in this board, 

where these pieces are placed,

 

The goal is to place the player's triangular pieces, together with neutral pieces, in order to make a path that connects the two arrows of the same color.

The official rules: 

There are several comments at BGG saying the game is broken, i.e., it is too easy to impose a draw to the adversary. This means Tri-Trac was badly designed and badly tested. It is a shame since the pieces are quite original. The material deserved a better game.