Skip to main content

Highway delineator system aids crash reduction

A new delineator design is said to be helping to reduce accidents on a 200mile stretch of one of the world’s most treacherous highways. Pexco LLC has produced the ‘Dalton Delineator’ for the Dalton Highway, a remote 414mile road in Alaska, reported to be the sixth most dangerous roadway in the world. The road safety system has a cantilever structure consisting of a short length of a Davidson Flexi-Guide FG 400 Roadside Delineator post mounted to a special flexible coupler.
March 21, 2012 Read time: 2 mins
The Dalton Delineator aims to reduce crashes on one of world’s most dangerous highways
A new delineator design is said to be helping to reduce accidents on a 200mile stretch of one of the world’s most treacherous highways. 301 Pexco LLC has produced the ‘Dalton Delineator’ for the Dalton Highway, a remote 414mile road in Alaska, reported to be the sixth most dangerous roadway in the world.

The road safety system has a cantilever structure consisting of a short length of a Davidson Flexi-Guide FG 400 Roadside Delineator post mounted to a special flexible coupler. The polyurethane-made coupler is attached to a square steel tube support by the roadside. The delineator post, also known as an arm, projects horizontally out from the shoulder, above the roadway. The use of white delineator arms on one side of the road and green delineator arms on the opposite side, likened by Pexco LLC to the running lights on a boat, is said to give motorists and highways maintenance workers clear indication of their position on the road, even in the midst of a blinding snowstorm.

Half of all vehicle crashes on the Dalton Highway occur during daylight hours, while a quarter take place at night when drivers are travelling on non-lighted sections of the road.

The installation of the Dalton Delineator, which began in summer 2011, comes after Alaska DOT asked Pexco LLC in early 2009 to come up with new ideas to build on the success of its existing Dalton Highway FG 400 Roadside Delineator post.

For more information on companies in this article

Related Content

  • Road user charging, the way to highway investment?
    April 12, 2012
    Tough political decisions have to be made to ensure highway investment - *Dr Max Lay reports Our road systems and how we use them have changed dramatically over the last few centuries, and yet some problems persist and others reappear. For most of human history roads have been used by foot traffic and by cumbersome wagons hauled at walking pace. Roads were built to provide some obvious advantage in commerce or conquest. They were then grudgingly maintained by those who might gain some advantage from the
  • Special purpose add-ons for demolition excavators
    February 16, 2012
    Long reach demolition excavators are now special purpose machines, Dan Gilkes reports. The majority of construction equipment manufacturers offer a range of demolition specific machines, built to meet the needs of a sector of the industry that works its plant harder than most.
  • Special purpose add-ons for demolition excavators
    April 13, 2012
    Long reach demolition excavators are now special purpose machines, Dan Gilkes reports The majority of construction equipment manufacturers offer a range of demolition specific machines, built to meet the needs of a sector of the industry that works its plant harder than most. Reinforced structures, additional hydraulic services, cab and body protection, dust suppression and additional engine air cleaners are just some of the standard alterations required by the demolition contractor. For many years exca
  • Effective stabilisation
    February 24, 2012
    Contractor BAM Nuttall and specialist piling sub contractor Aarsleff Piling, have been working closely to develop a cost-effective solution to a tricky piling problem. The two firms have developed an alternative and versatile technique to reduce the risk of delays installing 2,150 precast concrete piles along part of the route of an innovative guided busway in Cambridgeshire in the UK.