     @current.mayReturnTreasury = yes
     @copperValue = 1
     @bridges = 0
+    @highways = 0
     @princesses = 0
     @quarries = 0
 

    newState.tradeRouteMat = @tradeRouteMat.slice(0)
    newState.tradeRouteValue = @tradeRouteValue
    newState.bridges = @bridges
    newState.princesses = @princesses
    newState.quarries = @quarries
    newState.copperValue = @copperValue

    @tradeRouteValue = 0

    @bridges = 0
    @highways = 0
    @princesses = 0
    @quarries = 0
    @copperValue = 1
