Show Three-Lane Three Roads I I Said to Increase Accident Hazard Extra Lane Raises Car Capacity Per Cent LANE THREE highways to 1 which some communities point with pride as their contribution contribution contribution con con- to increasing traffic safety are arc receiving little commendation commendation com corn fro from 1 the civil engineering engineering engineering engi engi- profession which built them Here are some some objections to three-lane three highways to think over 1 Two motor cars car collide In the tho center lane Who l has tho the right or ot otway way 2 AddIng another lane to a two- two Ian lane highway Increases the tho width of ot tho the road rond about 50 SO per cent But Dut Butth th tho motor car capacity of ot the roadway roadway road road- way ay Increases per cent by tho the addition of ot the third lane 3 There Thero Is 18 3 general agreement that traffic Increases on a n three lane highway makes the hazards Increase In a greater ratio than Is tho the case so sotor for tor a two-lane two or a lane four high high- way These three objections are pointed point poInt- ed out by Lloyd F. F Rader assistant professor of c civil vil engineering Polytechnic Polytechnic Polytechnic Poly Poly- institute Brooklyn in a I recent issue of Civil Engineering Lanes Four-Lanes Preferable From the standpoint of safety Professor Rader states it would appear advisable to construct four- four lane roadways where two lanes are arc inadequate The present tendency cy toward high speeds further indicates indicates indi indi- cates the desirability of increasing the width of lanes to 11 or even 12 feet Increase in speed also makes it important that all roadways have wide fiat flat well compacted shoulders shoulders shoulders ders to provide space for avoiding collision changing tires making repairs or parking Proof Fool Construction No matter how many signs and signals may be installed on highways highways highways high high- ways Professor Rader adds they cannot take the place of safety built into the road by proper con con- Such smart roads for dumb drivers drivers' as they sometimes have been called are conceded one of the most effective ways of of- ofin increasing increasing increasing in in- creasing highway m motor tor v vehicle hicle safety The trouble in solving the rural safety problem by building really safe highways is financial Approved Approved Approved Ap Ap- Ap- Ap proved lane four-lane roads with a di dividing dividing di- di viding area down the center to separate the thc two streams of traffic cost money and plenty of it Depending Depending Depending De De- De- De pending on the cost of land and labor the price per mile of such super highways varies between to |