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US 85 Build Alternatives
Supporting Measures
1. Traffic Calming
- Roundabouts/ traffic circle - Convert an existing intersection into a roundabout or traffic circle.
- Signalized intersections - Add traffic signals to existing or new at-grade intersections.
- Decrease speed limit - Lower the posted speed limit along US 85.
2. Transportation Demand Management
- Flex time - A measure taken by employers that allows employees a flexible work-day (i.e. a work-day from 10 a.m. to 6 p.m.). This reduces traffic on the roadway during peak periods.
- Paid parking - A measure used to encourage people to take public transportation rather than driving and paying a fee to park at their designation.
- Carpool incentives - Measures taken to encourage drivers to carpool (examples include HOV lanes, discounted parking, and monetary incentives given by employers).
- Vanpool programs - A program operated by employers or a transit service in which vans are used for transportation by people who live and work in the same neighborhoods.
- Guaranteed ride home programs - A program offered by employers or a transit service that promises employees a way home if public transportation service has ended before the end of their work day.
- Subsidies for transit passes - A measure in which employers encourage employees to use public transportation by paying for part or all of a transit pass.
- Truck tax (used for rail improvements) - Tax trucks that use the highway and use the money to improve existing rail systems.
- Telecommuting - An option taken by employees to work from their homes. A popular option made viable by advances in the computer industry.
3. Transportation System Management
- Signal optimization - Allows vehicles driving at a specified speed to hit green lights at most signals.
- Pre-empt signals - Traffic signals that emergency vehicles can control, thus aiding their efficiency and response-time.
- Park and ride lots - Parking lots that are provided for people to use public transportation or carpool.
- Eliminate freight from highway - Enforce freight to use an alternate route.
- Enforce DRCOG urban growth boundary - Develop an agreement with Douglas County and Castle Rock to commit the DRCOG growth boundary.
- Improve existing bridges - Improve and/or widen existing bridge structures along the roadway to improve operations and safety.
- Improve existing intersections - Improve existing at-grade intersections to improve safety and operations (i.e. repave roadway, add acceleration/deceleration, add left turn lanes, etc.)
4. Intelligent Transportation System
- Wildlife warning system - A device at known wildlife crossings that reflects vehicle headlights towards the wildlife that may be present along the side of the highway. The reflected lights scare the wildlife and discourage them from crossing the road.
- Incident management program - A program that establishes policies and procedures to handle the detection and reaction of incidents.
- Traffic operations center - Set up an office that collects, utilizes, controls, disseminates, and communicates information received from highway data collectors (weather stations, pavement sensors, video surveillance).
- Variable message signs - Signs operated by CDOT to relay important real-time information to drivers.
- Road/Weather Information Systems - A system that provides pavement and weather condition information to transportation system managers and travelers.
5. Enhancements/Mitigation
- Bicycle / Pedestrian Trails - Special paths designated for pedestrians and bicyclists only.
- Educational Signs / Pull-outs - Signs and pull-outs along the roadway that identify and discuss sights and places of interest.
- Wildlife Crossings - Signs along the roadway to alert drivers of known wildlife crossings.
- Wildlife Grade-Separations - An overpass or underpass designed for wildlife crossings.
- Noise Barrier / Abatement - Barriers that provide noise protection for nearby residents and businesses.
- Adequate Drainage - Drainage systems that are adequate for the chosen alternative.
- Concrete Median Barriers - A concrete barrier used to physically separate the two different traffic direction.
- Local Bus System - A bus system that provides transportation within a community to and from other alternative transportation modes (i.e. a bus that transports people from their homes to the local rail station).
Last Updated:
07.07.2008 04:13 PM
This is a Colorado Department of
Transportation Project
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