(Blue Diamond Road) Corridor Study - Regional Transportation ...

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3. Overview of Transit Modes RTC SR-160 Corridor Study Configuration Length (Feet) Articulated 60 (18 m) Width (inches) 98-102 in (2.5-2.6m) # Door Channels # Seats, including seats in wheel chair tie-down areas) Maximum Capacity* (seated plus standing) 4-7 31-65 80-90 Floor Height Traditionally, buses were built at a floor height that required passengers to climb a few steps to the floor of the vehicle. Passengers in wheelchairs were accommodated using lifts, which were cumbersome to operate and caused significant delays. In order to respond to the need for mobility-impaired groups, transit agencies have begun employing buses with low floors at the entry. Low-floor buses enable all passengers to enter the vehicle with just one short step up to the floor of the vehicle. Wheelchair passengers can board using a quick-deploying ramp. Low-floor buses are becoming the norm for bus transit in the United States, representing 64.7 percent of bus orders by transit agencies in the United States as of 2001. Propulsion Systems Buses can be powered by a number of different propulsion system configurations, each with a different profile of performance and emissions profile. The major choices currently available for vehicle propulsion are described below. Internal Combustion Engine – The most common propulsion system is the internal combustion engine. Typically, internal combustion engines for bus operations have used diesel fuel. Several transit agencies use alternative fuels such as Compressed Natural Gas (CNG) or Liquefied Natural Gas (LNG) in order to reduce emissions. In response to diesel bus regulations set by the United States Environmental Protection Agency (EPA), recent innovations in diesel fuel emissions control and the introduction of Ultra-Low Sulfur Diesel (ULSD) fuel potentially reduce emissions of diesel fuel to be comparable to CNG and LNG, leading to minimal differentiation in emissions of oxides of nitrogen and particulate matter among different fuels. Trolley Buses / Dual-Mode Buses – Trolley buses are powered by electricity delivered through overhead catenary cables. Trolley buses have significant advantages over internal combustion engines in the smoothness of acceleration, the ability to navigate hills, and the ability to operate with zero local emissions for operation in tunnels or sensitive urban environments. A trolley bus can also carry an internal combustion engine in a dual-mode configuration, enabling buses to travel in areas where no catenary is installed. 3-3
3. Overview of Transit Modes RTC SR-160 Corridor Study Hybrid-electric – Like dual-mode propulsion systems, hybrid-electric propulsion systems combine internal combustion engines with electric drive systems. Hybridelectric propulsion systems incorporate an on-board energy storage device (e.g., batteries or ultra capacitors), allowing the power to shift from one propulsion system to another, contributing to improved performance and fuel economy with reduced emissions. Hybrid buses operate in a limited number of places, most notably New York and Seattle. Other technologies such as fuel cell and electric batteries are still not developed enough to be commercially viable. 3.1.3 Infrastructure Elements Running Ways Conventional bus transit is versatile. Since rubber-tired buses allow them to travel along any road, including local streets, major arterials, and highways and freeways, conventional bus transit has no special running way requirements. Conventional transit typically has no provision for dedication of lanes and most often travels in mixed flow lanes. Stations / Stops A minimum requirement for stations or stops for conventional bus transit is a sign indicating the location of the bus stop. The sign often conveys information about the route and direction of the route serving that location. Typically, stops served by conventional bus transit lines with significant ridership are also provided with a protective shelter with seating and more transit information. Fare Collection Fare collection for conventional bus transit is typically a farebox at the entrance to the vehicle. Electronic fareboxes with smart card readers are slowly being integrated into urban transit systems to speed up the process of fare collection. Intelligent Transportation Systems (ITS) Conventional bus transit systems are also integrating intelligent transportation systems. Most prominently, transit systems are integrating automated vehicle location (AVL) systems. AVL systems can either use transponders with detectors placed along the route or can be based on Global-Positioning System (GPS) technology. These systems enable managers to monitor and dispatch vehicles and respond to passenger demand more interactively. 3-4
Page 1 and 2: State Route 160 (Blue Diamond Road)
Page 3 and 4: Table of Contents RTC SR-160 Corrid
Page 9 and 10: 1. Executive Summary RTC SR-160 Cor
Page 15 and 16: 2. Current Conditions of Study Area
Page 43: 3. Overview of Transit Modes RTC SR
Page 47 and 48: 3. Overview of Transit Modes RTC SR
Page 59 and 60: 4. Evaluation Methodology RTC SR-16
Page 61 and 62: 4. Evaluation Methodology RTC SR-16
Page 63 and 64: 5. Alternative Development RTC SR-1
Page 83 and 84: 6. SR-160 Corridor Improvement Plan
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6. SR-160 Corridor Improvement Plan
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7. Proposed Park and Ride Facilitie
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8. Estimated System Costs RTC SR-16
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A. Aerial Photographs of Blue Diamo
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B. Candidate Park & Ride Site Data
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C. SR-160 Major Intersections RTC S
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D. RTC Policies and Procedures RTC
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