honolulutraffic.com

seeking cost-effective ways to reduce traffic congestion in Honolulu


 
The environmentally degrading aspect of rail transit:

1. Visual blight of elevated rail lines through the town.
2. Noise blight of 75 decibels at 50 feet.
3. High energy use (see below).
4. Sprawling stations — five stories high, 270 feet long and 50 feet wide (see below and the Aloha Tower station video at
   
www.honolulutransit.com .
5. Will create increased traffic congestion in town as supporting pillars take away valuable road space,
    which by reducing auto speeds, increases emissions.
 

 

Our citizens need to understand some of the more environmentally degrading aspects of rail transit. Using the 1992 plans, which the City has said they would use and bring up to date, the size of the stations are 270 feet long, sprawl over both sides of every street they run on together escalators, elevators and stairs on each side of the street. Station heights vary from 50 to 75 feet above street level depending on the type of station.

These two renderings above were produced in 1992 by the American Architects Association, Hawaii Chapter, which favored the rail line. The route for the line crosses the foot of Bishop Street, crosses to Halekauwila Street, up Ward Avenue to Waimunu crossing over to Kona Street at Kamakee Street. It goes along Kona on the mauka side of Ala Moana Center, up Atkinson and around the Convention Center onto Kapiolani until it turns up University Avenue and is at 65 feet above University as it goes over the H-1 freeway into UH where is stops at the Quarry station at the same altitude that it reaches in passing over H-1. Average decibel level is 75.

The above photo/rendering produced by the City is the view from University Avenue just makai of King Street looking mauka. The Varsity Theater can been seen just to the left of the rail line.

The above photo/rendering produced by the City is the view from underneath the Varsity Theater Station looking makai towards King Street with Kinko's to the right.

This is a City rendering of the Aloha Tower rail station. It has a great deal of charm and provides a unique Hawaiian sense of place — they say. It will be admired by all those who believe in sustainability — of taxes.

 

Energy.

Since we do not have the electrical capacity to supply the 60 million kilowatt hours of electricity needed annually for the trains, we will have to build a new generating station. It goes on. For further detail, study the "Final Environmental Impact Statement for the Honolulu Rapid Transit Program, July 1992" and the "Track Plan and Profile Drawings, Appendices A & B," all available at the City's Municipal Library.

 

The myth of rail's energy savings:

        There are two kinds of energy use that should concern us, the operating energy use and the energy used to build the rail transit facility. Both are discussed below:

Operating energy use:

     The latest energy data broken down by individual operating units showing Btu's per passenger mile makes it quite clear that the projected Honolulu rail line will use more energy per passenger mile than a regular automobile with its 1.15 average passenger load. A full explanation is given here in an op/ed written for the Honolulu Star-Bulletin.  

 

Below is a chart showing the energy use per passenger mile for automobiles, buses and rail transit from the U.S. Dept. of Energy Transportation Energy Data Book, 2006. pp. 2-13/14.

     Notice that automobiles show a steady downward trend in energy use while buses and rail transit have trended upwards albeit with certain times of decline. Note also that auto fuel use has declined to where it is now less per passenger mile than buses while rail transit is only nine percent less than autos.

        With the advent of hybrid cars and buses we may expect autos and buses to continue to decline while rail transit will stay fairly flat. It is therefore only a matter of time before automobiles will use less energy per passenger mile than rail transit.

       While the trend for vanpools is not given, the data show that energy use by vanpools is 1,400 BTUs per passenger mile, or 60 percent less than rail transit.

       Some may find these data counter-intuitive especially listening to all the hype in the media. However, except within dense urban centers, trains trend to run empty on the runs back out to the suburbs, and run all day regardless of demand.

       Undoubtedly, a full train uses less energy per passenger than a single-occupant vehicle (SOV), however, that is not how they are operated.

       On the other hand, autos and vanpools travel from their point of origin to their destination and park. They do not run around aimlessly as if costs (or energy) do not matter.

 

 

 

 

 

 

 

 

 

December 13, 2007.

Demographia: Public transportation is not so green:

Greenhouse Gas Emissions

in grams per passenger mile

Public transport Avg. 233
PT New York 133
PT Outside NY 303
Toyota Prius 147
Hybrid diesel 101
SUVs 443
Avg. 2006 car 307
Source: Demographia, 9/2007.

We ran a story on November 13 about how the energy efficient New York subways, which carry 57 percent of the nation's rail transit traffic, masks the energy inefficiency of most other rail lines. Up to now we have given a free pass to new rail lines as being more energy efficient than autos per passenger mile. However, that is all now in doubt as many of the suburban oriented rail lines turn out to use far more energy per passenger mile than autos.

Now we find, courtesy of Wendell Cox's Demographia website, that the same principle applies to greenhouse gas emissions, . It turns out that New York subways have very low GG emissions per passenger mile and again that masks the high amounts emitted by those transit lines outside of New York. What is most interesting is the very low ratings for the new hybrid diesel cars now being introduced in Europe.  READ MORE  

 

 

 

The average light rail line uses more energy than autos:

The chart below from the U.S. Dept. of Energy confirms similar data we have published before but shows it graphically. Bear in mind that the average energy use of automobiles, as actually used in practice with a typical 1.15 people per car, is 3400 Btus per passenger mile according to the U.S. Dept. of Energy. For confirmation see the 2006 DOE Energy Data Book. Table 2.13. The City has its work cut out to persuade us that light rail is more energy efficient than our automobiles.  

Light Rail Energy Use

 

 

Construction energy use:

CBO TESTIMONY  
STATEMENT OF ALICE M. RIVLIN DIRECTOR CONGRESSIONAL BUDGET OFFICE

 Before the Subcommittee on Transportation Committee on the Environment and Public Works United States Senate on October 5, 1977

Excerpt: "In particular, new heavy rail systems appear much less energy-efficient than new bus services, when the energy needed to build roadways and track, the energy needed to manufacture and maintain vehicles, the energy used to heat and light stations, the energy required to drive to stations, and the directness of alternative modes of travel are taken into consideration. The principal reason for this is that the limited route mileage of rail systems necessitates a high degree of auto travel to and from stations, resulting in overall, door-to-door travel patterns that are less energy-efficient than rail travel by itself. As illustrated in Figure 2, a typical trip on a new heavy rail system requires about twice as much energy per mile as does a typical trip by bus, all things considered. Old heavy rail systems, located in concentrated urban areas where stations are easily reached by foot and by bus, rank only slightly behind bus in terms of their modal energy requirements. Vanpools use the least energy, whereas single-occupant automobiles and dial-a-ride service use the most.

In computing the energy savings of new programs, it is necessary to go one more step: since most of the passengers on a new service formerly made comparable trips by some other mode, the energy savings associated with these shifts in travel behavior must take into account the fuel efficiency of the former mode of travel as well as that of the new mode. Experience across the country indicates that patronage on new public transport services is more apt to be drawn from existing public transport services and from carpools. As a result, the net savings in energy can be surprisingly small or even negative. Our findings, which are illustrated in Figure 3, show that a typical trip on a new heavy rail system actually requires more energy than before, while new trips by bus, carpool, and vanpool show substantial energy savings per passenger mile."

 

 

The last word on highways and "induced travel":

One of the issues that stops highway improvements is the idea that adding highways induces new automobile trips (as much as a 10 percent increase in highway capacity inducing a 9 percent increase in traffic) thus nullifying the highway investment. Robert Cervero, Professor of Urban and Regional Planning at UC-Berkeley, has revisited the issue and concludes that earlier studies had significantly overestimated the inducement effect and that it is closer to a 10 increase in highways inducing a 4 percent increase in traffic. As he puts it, "Road investments by themselves do not increase volumes. Only by conferring a benefit, like faster speeds, will traffic increase. Adding a twelve-foot lane along a congested urban corridor matters; adding one in a lightly trafficked exurban stretch does not." He concludes, "Although I personally sympathize with the aims of many environmentalists, fighting highway projects, regardless what benefit-cost numbers say, is misguided. The problems people associate with roads—e.g., congestion and air pollution—are not the fault of road investments per se. These problems stem from the use and mispricing of roads, new and old alike. They also stem from the absence of careful land use planning and management around new interchanges and along newly expanded highways. Better road pricing and land use planning are more likely to achieve the aims of environmentalists than carte blanche bans on any and all road construction."READ MORE